Search a number
-
+
57100538879 is a prime number
BaseRepresentation
bin110101001011011101…
…010001001111111111
312110101102201220211022
4311023131101033333
51413420214221004
642122010414355
74061001400166
oct651335211777
9173342656738
1057100538879
1122241846aaa
12b096a313bb
1354ccb47817
142a9977c3dd
151742e1d2be
hexd4b7513ff

57100538879 has 2 divisors, whose sum is σ = 57100538880. Its totient is φ = 57100538878.

The previous prime is 57100538867. The next prime is 57100538881. The reversal of 57100538879 is 97883500175.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57100538879 - 28 = 57100538623 is a prime.

It is a Sophie Germain prime.

Together with 57100538881, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57100538879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57100538779) 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, 28550269439 + 28550269440.

It is an arithmetic number, because the mean of its divisors is an integer number (28550269440).

Almost surely, 257100538879 is an apocalyptic number.

57100538879 is a deficient number, since it is larger than the sum of its proper divisors (1).

57100538879 is an equidigital number, since it uses as much as digits as its factorization.

57100538879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 57100538879 in words is "fifty-seven billion, one hundred million, five hundred thirty-eight thousand, eight hundred seventy-nine".