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57125141864 = 23710110099919
BaseRepresentation
bin110101001100111011…
…000111110101101000
312110110011000212202222
4311030323013311220
51413443014014424
642124250013212
74061420460050
oct651473076550
9173404025688
1057125141864
112225472064a
12b0a3117208
135504c800bb
142a9cb44560
15174517ce5e
hexd4cec7d68

57125141864 has 32 divisors (see below), whose sum is σ = 123623020800. Its totient is φ = 24239803200.

The previous prime is 57125141807. The next prime is 57125141869. The reversal of 57125141864 is 46814152175.

It is not an unprimeable number, because it can be changed into a prime (57125141869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044304 + ... + 5055615.

It is an arithmetic number, because the mean of its divisors is an integer number (3863219400).

Almost surely, 257125141864 is an apocalyptic number.

It is an amenable number.

57125141864 is an abundant number, since it is smaller than the sum of its proper divisors (66497878936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57125141864 is a wasteful number, since it uses less digits than its factorization.

57125141864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100033 (or 10100029 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The spelling of 57125141864 in words is "fifty-seven billion, one hundred twenty-five million, one hundred forty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 1414 2828 5656 10099919 20199838 40399676 70699433 80799352 141398866 282797732 565595464 1020091819 2040183638 4080367276 7140642733 8160734552 14281285466 28562570932 57125141864