10000...03987 (28-digits)

This number is a prime.

                                              10000000 0000000000 0000003987

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The smallest prime whose sum of digits and digital length are the same perfect number, i.e. 28. [Loungrides]

Submitted: 2011-12-03 02:12:59;   Last Modified: 2020-02-27 09:23:26.
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