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57957087124 = 2214489271781
BaseRepresentation
bin110101111110100000…
…101111011110010100
312112121010111002010101
4311332200233132110
51422144003241444
642343005303444
74121142053326
oct657640573624
9175533432111
1057957087124
11226412a0412
12b295864b84
1356084394c1
142b3b427616
1517932153d4
hexd7e82f794

57957087124 has 6 divisors (see below), whose sum is σ = 101424902474. Its totient is φ = 28978543560.

The previous prime is 57957087121. The next prime is 57957087127. The reversal of 57957087124 is 42178075975.

It is an interprime number because it is at equal distance from previous prime (57957087121) and next prime (57957087127).

It can be written as a sum of positive squares in only one way, i.e., 52849412100 + 5107675024 = 229890^2 + 71468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57957087121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7244635887 + ... + 7244635894.

Almost surely, 257957087124 is an apocalyptic number.

It is an amenable number.

57957087124 is a deficient number, since it is larger than the sum of its proper divisors (43467815350).

57957087124 is a wasteful number, since it uses less digits than its factorization.

57957087124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489271785 (or 14489271783 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 57957087124 in words is "fifty-seven billion, nine hundred fifty-seven million, eighty-seven thousand, one hundred twenty-four".

Divisors: 1 2 4 14489271781 28978543562 57957087124