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57347957151 = 345503128657
BaseRepresentation
bin110101011010001101…
…000110000110011111
312111000200022001220000
4311122031012012133
51414422034112101
642202325425343
74100064410232
oct653215060637
9174020261800
1057347957151
1122359477011
12b14586b253
13553c195074
142ac0585419
1517599e2486
hexd5a34619f

57347957151 has 20 divisors (see below), whose sum is σ = 85684169472. Its totient is φ = 38224726848.

The previous prime is 57347957137. The next prime is 57347957179. The reversal of 57347957151 is 15175974375.

57347957151 is a `hidden beast` number, since 5 + 73 + 479 + 57 + 1 + 51 = 666.

It is not a de Polignac number, because 57347957151 - 29 = 57347956639 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57347957551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 381415 + ... + 510071.

Almost surely, 257347957151 is an apocalyptic number.

57347957151 is a deficient number, since it is larger than the sum of its proper divisors (28336212321).

57347957151 is a wasteful number, since it uses less digits than its factorization.

57347957151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134172 (or 134163 counting only the distinct ones).

The product of its digits is 4630500, while the sum is 54.

The spelling of 57347957151 in words is "fifty-seven billion, three hundred forty-seven million, nine hundred fifty-seven thousand, one hundred fifty-one".

Divisors: 1 3 9 27 81 5503 16509 49527 128657 148581 385971 445743 1157913 3473739 10421217 707999471 2123998413 6371995239 19115985717 57347957151