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57068107154 = 228534053577
BaseRepresentation
bin110101001001100001…
…100011010110010010
312110022011201012212022
4311021201203112102
51413333413412104
642114451331442
74060125623102
oct651141432622
9173264635768
1057068107154
1122225505623
12b087bb0b82
1354c6200a56
142a95339202
151740163bbe
hexd49863592

57068107154 has 4 divisors (see below), whose sum is σ = 85602160734. Its totient is φ = 28534053576.

The previous prime is 57068107133. The next prime is 57068107183. The reversal of 57068107154 is 45170186075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49856191225 + 7211915929 = 223285^2 + 84923^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14267026787 + ... + 14267026790.

Almost surely, 257068107154 is an apocalyptic number.

57068107154 is a deficient number, since it is larger than the sum of its proper divisors (28534053580).

57068107154 is a wasteful number, since it uses less digits than its factorization.

57068107154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28534053579.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 57068107154 in words is "fifty-seven billion, sixty-eight million, one hundred seven thousand, one hundred fifty-four".

Divisors: 1 2 28534053577 57068107154