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57123570563 is a prime number
BaseRepresentation
bin110101001100110101…
…001000001110000011
312110110001002001100122
4311030311020032003
51413442113224223
642124152210455
74061401224023
oct651465101603
9173401061318
1057123570563
1122253848054
12b0a2699a2b
13550484cb37
142a9c855a83
151744e6c5c8
hexd4cd48383

57123570563 has 2 divisors, whose sum is σ = 57123570564. Its totient is φ = 57123570562.

The previous prime is 57123570481. The next prime is 57123570577. The reversal of 57123570563 is 36507532175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57123570563 - 210 = 57123569539 is a prime.

It is not a weakly prime, because it can be changed into another prime (57123579563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561785281 + 28561785282.

It is an arithmetic number, because the mean of its divisors is an integer number (28561785282).

Almost surely, 257123570563 is an apocalyptic number.

57123570563 is a deficient number, since it is larger than the sum of its proper divisors (1).

57123570563 is an equidigital number, since it uses as much as digits as its factorization.

57123570563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 57123570563 in words is "fifty-seven billion, one hundred twenty-three million, five hundred seventy thousand, five hundred sixty-three".