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57523928069 is a prime number
BaseRepresentation
bin110101100100101100…
…010111110000000101
312111110221102022121102
4311210230113300011
51420302111144234
642232013225445
74104332215046
oct654454276005
9174427368542
1057523928069
1122439837623
12b194792285
13556978807a
142ad9ab08cd
15176a1a1c7e
hexd64b17c05

57523928069 has 2 divisors, whose sum is σ = 57523928070. Its totient is φ = 57523928068.

The previous prime is 57523928057. The next prime is 57523928093. The reversal of 57523928069 is 96082932575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37554564100 + 19969363969 = 193790^2 + 141313^2 .

It is a cyclic number.

It is not a de Polignac number, because 57523928069 - 212 = 57523923973 is a prime.

It is a super-2 number, since 2×575239280692 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57523928269) by changing a digit.

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 as a sum of consecutive naturals, namely, 28761964034 + 28761964035.

It is an arithmetic number, because the mean of its divisors is an integer number (28761964035).

Almost surely, 257523928069 is an apocalyptic number.

It is an amenable number.

57523928069 is a deficient number, since it is larger than the sum of its proper divisors (1).

57523928069 is an equidigital number, since it uses as much as digits as its factorization.

57523928069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 57523928069 in words is "fifty-seven billion, five hundred twenty-three million, nine hundred twenty-eight thousand, sixty-nine".