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52117560111257 = 8316712233074419
BaseRepresentation
bin10111101100110100100001…
…01010000011000010011001
320211112101112101002112110122
423312122100222003002121
523312343230342030012
6302502250535323025
713656240503402264
oct1366322052030231
9224471471075418
1052117560111257
1115673a29a87513
125a18895520475
13231088482aa54
14cc2709359cdb
15605a6d7dce72
hex2f6690a83099

52117560111257 has 16 divisors (see below), whose sum is σ = 53104727208960. Its totient is φ = 51139450891152.

The previous prime is 52117560111187. The next prime is 52117560111263. The reversal of 52117560111257 is 75211106571125.

It is not a de Polignac number, because 52117560111257 - 230 = 52116486369433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52117560111157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15414794 + ... + 18489212.

It is an arithmetic number, because the mean of its divisors is an integer number (3319045450560).

Almost surely, 252117560111257 is an apocalyptic number.

It is an amenable number.

52117560111257 is a deficient number, since it is larger than the sum of its proper divisors (987167097703).

52117560111257 is a wasteful number, since it uses less digits than its factorization.

52117560111257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075892.

The product of its (nonzero) digits is 147000, while the sum is 44.

The spelling of 52117560111257 in words is "fifty-two trillion, one hundred seventeen billion, five hundred sixty million, one hundred eleven thousand, two hundred fifty-seven".

Divisors: 1 83 167 1223 13861 101509 204241 3074419 16952003 255176777 513427973 3760014437 42614521759 312081198271 627922410979 52117560111257