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57424618772 = 22291959725261
BaseRepresentation
bin110101011110110001…
…100010010100010100
312111020000112212212022
4311132301202110110
51420101200300042
642214104512312
74102015130423
oct653661422424
9174200485768
1057424618772
1122398778024
12b16747b698
135552026a81
142aca81d2ba
1517615d6cd2
hexd5ec62514

57424618772 has 24 divisors (see below), whose sum is σ = 103967781960. Its totient is φ = 27719717760.

The previous prime is 57424618739. The next prime is 57424618799. The reversal of 57424618772 is 27781642475.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1078202896 + 56346415876 = 32836^2 + 237374^2 .

It is a super-2 number, since 2×574246187722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260622 + ... + 2285882.

It is an arithmetic number, because the mean of its divisors is an integer number (4331990915).

Almost surely, 257424618772 is an apocalyptic number.

It is an amenable number.

57424618772 is a deficient number, since it is larger than the sum of its proper divisors (46543163188).

57424618772 is a wasteful number, since it uses less digits than its factorization.

57424618772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44891 (or 44889 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 53.

The spelling of 57424618772 in words is "fifty-seven billion, four hundred twenty-four million, six hundred eighteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 29 58 116 19597 25261 39194 50522 78388 101044 568313 732569 1136626 1465138 2273252 2930276 495039817 990079634 1980159268 14356154693 28712309386 57424618772