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57124682023 = 83688249181
BaseRepresentation
bin110101001100111001…
…010111100100100111
312110110010011111222211
4311030321113210213
51413442404311043
642124232104251
74061413533313
oct651471274447
9173403144884
1057124682023
1122254437112
12b0a2b35087
135504b4b9c6
142a9ca64b43
1517450dba9d
hexd4ce57927

57124682023 has 4 divisors (see below), whose sum is σ = 57812931288. Its totient is φ = 56436432760.

The previous prime is 57124681993. The next prime is 57124682029. The reversal of 57124682023 is 32028642175.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57124682023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57124682029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344124508 + ... + 344124673.

It is an arithmetic number, because the mean of its divisors is an integer number (14453232822).

Almost surely, 257124682023 is an apocalyptic number.

57124682023 is a deficient number, since it is larger than the sum of its proper divisors (688249265).

57124682023 is an equidigital number, since it uses as much as digits as its factorization.

57124682023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688249264.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 57124682023 in words is "fifty-seven billion, one hundred twenty-four million, six hundred eighty-two thousand, twenty-three".

Divisors: 1 83 688249181 57124682023