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57921552019 is a prime number
BaseRepresentation
bin110101111100011001…
…001011111010010011
312112111122121201010101
4311330121023322103
51422110404131034
642335255513231
74120231032412
oct657431137223
9175448551111
1057921552019
112262322a361
12b285988817
135600c77006
142b36817479
151790046514
hexd7c64be93

57921552019 has 2 divisors, whose sum is σ = 57921552020. Its totient is φ = 57921552018.

The previous prime is 57921551999. The next prime is 57921552043. The reversal of 57921552019 is 91025512975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57921552019 - 29 = 57921551507 is a prime.

It is a super-2 number, since 2×579215520192 (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 57921552019.

It is not a weakly prime, because it can be changed into another prime (57921555019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28960776009 + 28960776010.

It is an arithmetic number, because the mean of its divisors is an integer number (28960776010).

Almost surely, 257921552019 is an apocalyptic number.

57921552019 is a deficient number, since it is larger than the sum of its proper divisors (1).

57921552019 is an equidigital number, since it uses as much as digits as its factorization.

57921552019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 57921552019 in words is "fifty-seven billion, nine hundred twenty-one million, five hundred fifty-two thousand, nineteen".