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57142803793 is a prime number
BaseRepresentation
bin110101001101111110…
…011111110101010001
312110111101021012101111
4311031332133311101
51414012024210133
642130120333321
74062023550415
oct651576376521
9173441235344
1057142803793
1122263694289
12b0a9014241
13550882524a
142aa1220d45
1517469bb1cd
hexd4df9fd51

57142803793 has 2 divisors, whose sum is σ = 57142803794. Its totient is φ = 57142803792.

The previous prime is 57142803769. The next prime is 57142803847. The reversal of 57142803793 is 39730824175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57033559489 + 109244304 = 238817^2 + 10452^2 .

It is a cyclic number.

It is not a de Polignac number, because 57142803793 - 217 = 57142672721 is a prime.

It is not a weakly prime, because it can be changed into another prime (57142803593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28571401896 + 28571401897.

It is an arithmetic number, because the mean of its divisors is an integer number (28571401897).

Almost surely, 257142803793 is an apocalyptic number.

It is an amenable number.

57142803793 is a deficient number, since it is larger than the sum of its proper divisors (1).

57142803793 is an equidigital number, since it uses as much as digits as its factorization.

57142803793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 57142803793 in words is "fifty-seven billion, one hundred forty-two million, eight hundred three thousand, seven hundred ninety-three".