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57157516363 = 138517412639
BaseRepresentation
bin110101001110110110…
…100111110001001011
312110112101221200020111
4311032312213301023
51414024311010423
642131403535151
74062262605253
oct651666476113
9173471850214
1057157516363
1122270a23032
12b0b1b2a4b7
13550b8a6acc
142aa3170963
151747e2560d
hexd4eda7c4b

57157516363 has 4 divisors (see below), whose sum is σ = 57158067520. Its totient is φ = 57156965208.

The previous prime is 57157516349. The next prime is 57157516391. The reversal of 57157516363 is 36361575175.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57157516363 - 29 = 57157515851 is a prime.

It is a super-2 number, since 2×571575163632 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57157514363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67803 + ... + 344836.

It is an arithmetic number, because the mean of its divisors is an integer number (14289516880).

Almost surely, 257157516363 is an apocalyptic number.

57157516363 is a deficient number, since it is larger than the sum of its proper divisors (551157).

57157516363 is a wasteful number, since it uses less digits than its factorization.

57157516363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551156.

The product of its digits is 1984500, while the sum is 49.

The spelling of 57157516363 in words is "fifty-seven billion, one hundred fifty-seven million, five hundred sixteen thousand, three hundred sixty-three".

Divisors: 1 138517 412639 57157516363