355693655479801

This number is a prime.

                                                            35569 3655479801

+ The sum of the digits 0-9 in ascending order in paired-sum factorials: (0 + 1)! + (2 + 3)! + (4 + 5)! + (6 + 7)! + (8 + 9)! = 355693655479801. [Post]

(There is one curio for this number that has not yet been approved by an editor.)

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