13486...31781 (214-digits)
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
1348
6942329958 9100531410 1248094076 7501596858 4915377647 0945884261 7050929375
3767757509 3255829324 8413350752 1577296422 0144091331 4748221037 6110094080
9882422038 3673225052 1600000000 0006984964 2471415141 2362914037 7600331781
1!1 + 2!2 + 4!4 + 8!8 + 16!16 is prime. [Marcel]
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