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57231568954 = 274087969211
BaseRepresentation
bin110101010011010001…
…000111000000111010
312110201120021221022001
4311103101013000322
51414202240201304
642143011051214
74064152211110
oct652321070072
9173646257261
1057231568954
11222a980191a
12b1128a0b0a
135521034101
142aacd29ab0
15174e6a1da4
hexd5344703a

57231568954 has 8 divisors (see below), whose sum is σ = 98111261088. Its totient is φ = 24527815260.

The previous prime is 57231568939. The next prime is 57231568967. The reversal of 57231568954 is 45986513275.

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

It is a junction number, because it is equal to n+sod(n) for n = 57231568895 and 57231568904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043984592 + ... + 2043984619.

It is an arithmetic number, because the mean of its divisors is an integer number (12263907636).

Almost surely, 257231568954 is an apocalyptic number.

57231568954 is a deficient number, since it is larger than the sum of its proper divisors (40879692134).

57231568954 is a wasteful number, since it uses less digits than its factorization.

57231568954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087969220.

The product of its digits is 9072000, while the sum is 55.

The spelling of 57231568954 in words is "fifty-seven billion, two hundred thirty-one million, five hundred sixty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 7 14 4087969211 8175938422 28615784477 57231568954