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257331512675613 = 3314635976253807
BaseRepresentation
bin111010100000101010101001…
…011001110000110100011101
31020202010122121120100010001110
4322200222221121300310131
5232212104414221104423
62311144244231332233
7105126405526410405
oct7240525131606435
91222118546303043
10257331512675613
1174aa2755317642
1224a406a2b21079
13b078346a10a9c
144778ca9893805
151eb3bb33d6193
hexea0aa9670d1d

257331512675613 has 16 divisors (see below), whose sum is σ = 354941666164736. Its totient is φ = 165661755502320.

The previous prime is 257331512675603. The next prime is 257331512675659. The reversal of 257331512675613 is 316576215133752.

It is not a de Polignac number, because 257331512675613 - 24 = 257331512675597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257331512675603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988083845 + ... + 2988169962.

It is an arithmetic number, because the mean of its divisors is an integer number (22183854135296).

Almost surely, 2257331512675613 is an apocalyptic number.

It is an amenable number.

257331512675613 is a deficient number, since it is larger than the sum of its proper divisors (97610153489123).

257331512675613 is a wasteful number, since it uses less digits than its factorization.

257331512675613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976254304.

The product of its digits is 23814000, while the sum is 57.

The spelling of 257331512675613 in words is "two hundred fifty-seven trillion, three hundred thirty-one billion, five hundred twelve million, six hundred seventy-five thousand, six hundred thirteen".

Divisors: 1 3 31 93 463 1389 14353 43059 5976253807 17928761421 185263868017 555791604051 2767005512641 8301016537923 85777170891871 257331512675613