12345...67891 (28-digits)
This number is a prime.
12345678 9123456789 1234567891
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One of the primes in the Smarandache deconstructive sequence of integers, which is constructed by sequentially repeating the digits (from 1 to 9) in the following way: 1, 23, 456, 7891, 23456, 789123, 4567891, 23456789, 123456789,
1234567891, ....
Submitted: 2006-11-05 00:31:23; Last Modified: 2009-01-30 16:57:35.
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