82589...97532 (32-digits)

This number is a composite.

                                         82 5899332403 6583134669 1744497532

+ The concatenation (in order) of exponents of all known Mersenne primes that are also self numbers (M_82589933, M_24036583, M_13466917, M_44497, M_5, M_3, M_2), also happens to be a self number. [Kontobesar]

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