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57407118911 = 435325189609
BaseRepresentation
bin110101011101101110…
…110001111000111111
312111011210121210120022
4311131232301320333
51420032210301121
642212241442355
74101413313422
oct653556617077
9174153553508
1057407118911
112238990512a
12b1616403bb
13554b50a61c
142ac83859b9
15175eccbaab
hexd5dbb1e3f

57407118911 has 8 divisors (see below), whose sum is σ = 59850513360. Its totient is φ = 55014103872.

The previous prime is 57407118887. The next prime is 57407118949. The reversal of 57407118911 is 11981170475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57407118911 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 (57407118991) 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, 12592526 + ... + 12597083.

It is an arithmetic number, because the mean of its divisors is an integer number (7481314170).

Almost surely, 257407118911 is an apocalyptic number.

57407118911 is a deficient number, since it is larger than the sum of its proper divisors (2443394449).

57407118911 is a wasteful number, since it uses less digits than its factorization.

57407118911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189705.

The product of its (nonzero) digits is 70560, while the sum is 44.

The spelling of 57407118911 in words is "fifty-seven billion, four hundred seven million, one hundred eighteen thousand, nine hundred eleven".

Divisors: 1 43 53 2279 25189609 1083153187 1335049277 57407118911