85662309563
This number is a prime.
8 5662309563
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The prime number 85662309563 can be written as the sum of
the terms k!/(2*k)*2^k for k = 1,2,3,..., 12 with k integer. [Sandri]
Submitted: 2005-04-29 06:27:04; Last Modified: 2008-01-30 17:28:00.
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