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IceyLava108

Double the Last Number

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4722366482869645213696, or four sextillion, seven hundred and twenty-two quintillion, three hundred and sixty-six quadrillion, four hundred and eight-two trillion, eight hundred and sixty-nine billion, six hundred and fourty-five million, two hundred and thirteen thousand, six hundred and ninety six.

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18889465931478580854784, or eighteen sextillion, eight hundred and eighty-nine quintillion, four hundred and sixty-five quadrillion, nine hundred and thirty-one trillion, four hundred and seventy-eight billion, five hundred and eighty million, eight hundred and fifty-four thousand, seven hundred and eighty four.

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75557863725914323419136, which is seventy-five sextillion and a bunch of quintillions and quadrillions and other illions, or 276, which is two to the seventy-sixth power. This is the same as 15,111,572,745,182,864,683,827.2 times 5.

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151,115,727,451,828,646,838,272

 

Done with a pen and piece of paper.

 

75557863725914323419136, which is seventy-five sextillion and a bunch of quintillions and quadrillions and other illions, or 276, which is two to the seventy-sixth power. This is the same as 15,111,572,745,182,864,683,827.2 times 5.

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604462909807314587353088, or six hundred and four sextillion, four hundred and sixty-two quintillion, nine hundred and nine quadrillion, eight hundred and seven trillion, three hundred and fourteen billion, five hundred and eighty-seven million, three hundred and fifty-three thousand, eighty-eight.

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4835703278458516698824704 = four septillion, eight hundred and thirty-five sextillion, seven hundred and three quintillion, two hundred and seventy-eight quadrillion, four hundred and fifty-eight trillion, five hundred and sixteen billion, six hundred and ninety-eight million, eight hundred and twenty-four thousand, seven hundred and four = 282.

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: 11 111 :1: :11 11: ::1 1 1 111

: 38 685 626 227 668 133 590 597 632

+ 38 685 626 227 668 133 590 597 632

-----------------------------

= 77 371 252 455 336 267 181 195 264

 

I know it's hard to believe, but some people really still do math like that. Those same people may not necessarily understand scientific notation, and therefore choose to ignore posts which include it.

 

(Colons are there to prevent problems with the formatting)

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: 77 371 252 455 336 267 181 195 264

+ 77 371 252 455 336 267 181 195 264

------------------------------------

:154 742 504 910 672 534 362 390 528

 

I like this format. (Y)

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: 154 742 504 910 672 534 362 390 528

+ 154 742 504 910 672 534 362 390 528

------------------------------------

= 309 485 009 821 345 068 724 781 056

 

 

Am I the only one who does these from left to right?

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I do on occasion, but usually right to left.

 

: 309 485 009 821 345 068 724 781 056

+ 309 485 009 821 345 068 724 781 056

-------------------------------------

: 618 970 019 642 690 137 449 562 112

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... How?

You add the two numbers, then add 1 if the next numbers add to something above 9

 

: 618 970 019 642 690 137 449 562 112

+ 618 970 019 642 690 137 449 562 112

-------------------------------------

: 1 237 940 039 285 380 274 899 124 224

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: 1 237 940 039 285 380 274 899 124 224

+ 1 237 940 039 285 380 274 899 124 224

---------------------------------------

= 2 475 880 078 570 760 549 798 248 448

 

Or, 2 octillion, four hundred and seventy-five septillion, eight hundred and eighty sextillion, seventy-eight quintillion, five hundred and seventy quadrillion, seven hundred and sixty trillion, five hundred and forty-nine billion, seven hundred and ninety-eight million, two hundred and forty-eight thousand, four hundred and forty-eight.

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