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8s and 9s (Posted on 2011-12-21) Difficulty: 3 of 5
Find a 13 digit positive integer N whose base ten representation consists entirely of 8s and 9s such that 213 divides N.

No Solution Yet Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

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  Subject Author Date
re: 89!Danish Ahmed Khan2012-10-27 12:14:26
Solution89!Math Man2012-01-01 14:55:49
Some Thoughtsre(2): answers- spoiler -thanksAdy TZIDON2011-12-22 11:08:32
re: answers- spoilerCharlie2011-12-22 09:59:53
Solutioncomputer solutionCharlie2011-12-21 12:41:17
answers- spoilerAdy TZIDON2011-12-21 12:14:35
answers- spoilerAdy TZIDON2011-12-21 12:14:34
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