26584...42176 (37-digits)

This number is a composite.

                                    2658455 9915698317 4465469261 5953842176

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Since 2^61-1 is prime, we know that 2^60*(2^61-1) is a perfect number. Note that it contains each of the nine non-zero digits at least once. [Gupta]

Submitted: 2003-01-04 04:49:55;   Last Modified: 2008-01-30 11:28:00.
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