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57018844079 is a prime number
BaseRepresentation
bin110101000110100101…
…101000001110101111
312110011202000101121222
4311012211220032233
51413233311002304
642105531413555
74055660115011
oct650645501657
9173152011558
1057018844079
11221aa71853a
12b0735b42bb
1354b8c42bc2
142a8c9941b1
15173ab824be
hexd469683af

57018844079 has 2 divisors, whose sum is σ = 57018844080. Its totient is φ = 57018844078.

The previous prime is 57018844039. The next prime is 57018844109. The reversal of 57018844079 is 97044881075.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57018844079 - 216 = 57018778543 is a prime.

It is a super-2 number, since 2×570188440792 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57018844079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57018844039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28509422039 + 28509422040.

It is an arithmetic number, because the mean of its divisors is an integer number (28509422040).

Almost surely, 257018844079 is an apocalyptic number.

57018844079 is a deficient number, since it is larger than the sum of its proper divisors (1).

57018844079 is an equidigital number, since it uses as much as digits as its factorization.

57018844079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 57018844079 in words is "fifty-seven billion, eighteen million, eight hundred forty-four thousand, seventy-nine".