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317135082725 = 5212685403309
BaseRepresentation
bin1001001110101101011…
…10010101010011100101
31010022120200121102022122
410213112232111103211
520143443040121400
6401405001235325
731624621503626
oct4472656252345
91108520542278
10317135082725
1111255053959a
1251567a92b45
1323ba0aca106
14114c6b45a4d
1583b1b6a685
hex49d6b954e5

317135082725 has 6 divisors (see below), whose sum is σ = 393247502610. Its totient is φ = 253708066160.

The previous prime is 317135082721. The next prime is 317135082787. The reversal of 317135082725 is 527280531713.

It can be written as a sum of positive squares in 3 ways, for example, as 102656800801 + 214478281924 = 320401^2 + 463118^2 .

It is not a de Polignac number, because 317135082725 - 22 = 317135082721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317135082721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6342701630 + ... + 6342701679.

It is an arithmetic number, because the mean of its divisors is an integer number (65541250435).

Almost surely, 2317135082725 is an apocalyptic number.

It is an amenable number.

317135082725 is a deficient number, since it is larger than the sum of its proper divisors (76112419885).

317135082725 is a wasteful number, since it uses less digits than its factorization.

317135082725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685403319 (or 12685403314 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 317135082725 in words is "three hundred seventeen billion, one hundred thirty-five million, eighty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 12685403309 63427016545 317135082725