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131345408554806 = 2397192252382079
BaseRepresentation
bin11101110111010100111100…
…011010110111011100110110
3122020001111110100120022220010
4131313110330122313130312
5114203430344042223211
61143203125300321050
736444251444553255
oct3567247432673466
9566044410508803
10131345408554806
113893a302a63766
12128937536a3186
135839a85108b64
14246121a36679c
15102b8dec104a6
hex77753c6b7736

131345408554806 has 16 divisors (see below), whose sum is σ = 262717845811200. Its totient is φ = 43777298068008.

The previous prime is 131345408554777. The next prime is 131345408554807. The reversal of 131345408554806 is 608455804543131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131345408554807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126132726 + ... + 1126249353.

It is an arithmetic number, because the mean of its divisors is an integer number (16419865363200).

Almost surely, 2131345408554806 is an apocalyptic number.

131345408554806 is an abundant number, since it is smaller than the sum of its proper divisors (131372437256394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131345408554806 is a wasteful number, since it uses less digits than its factorization.

131345408554806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252391803.

The product of its (nonzero) digits is 27648000, while the sum is 57.

The spelling of 131345408554806 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred eight million, five hundred fifty-four thousand, eight hundred six".

Divisors: 1 2 3 6 9719 19438 29157 58314 2252382079 4504764158 6757146237 13514292474 21890901425801 43781802851602 65672704277403 131345408554806