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57381527218 = 21710316385359
BaseRepresentation
bin110101011100001101…
…001001111010110010
312111010000110121100211
4311130031021322302
51420004132332333
642205525134334
74100652635161
oct653415117262
9174100417324
1057381527218
1122376415774
12b154b5a3aa
13554611a002
142ac4c033d8
15175c923ecd
hexd5c349eb2

57381527218 has 16 divisors (see below), whose sum is σ = 92020181760. Its totient is φ = 26740904256.

The previous prime is 57381527209. The next prime is 57381527261. The reversal of 57381527218 is 81272518375.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8189178 + ... + 8196181.

It is an arithmetic number, because the mean of its divisors is an integer number (5751261360).

Almost surely, 257381527218 is an apocalyptic number.

57381527218 is a deficient number, since it is larger than the sum of its proper divisors (34638654542).

57381527218 is a wasteful number, since it uses less digits than its factorization.

57381527218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385481.

The product of its digits is 940800, while the sum is 49.

The spelling of 57381527218 in words is "fifty-seven billion, three hundred eighty-one million, five hundred twenty-seven thousand, two hundred eighteen".

Divisors: 1 2 17 34 103 206 1751 3502 16385359 32770718 278551103 557102206 1687691977 3375383954 28690763609 57381527218