The number $12345678910111213..........979899 consists of all the integers from 1 through 99 written back to back. That's a very big number! Is it a multiple of 9?

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asked Nov 3, 2019 18.1k views

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The number $12345678910111213..........979899 consists of all the integers from 1 through 99 written back to back. That's a very big number! Is it a multiple of 9?

Mathematics
middle-school

Simd asked

by Simd

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No. I don't think so. Sorry if I am wrong

Sofrustrated answered Nov 10, 2019

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