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56842330879 is a prime number
BaseRepresentation
bin110100111100000100…
…010010001011111111
312102201102212121001001
4310330010102023333
51412403114042004
642040224231131
74051414561165
oct647404221377
9172642777031
1056842330879
112211a017564
12b02446b4a7
13548b4c0119
142a73367235
15172a4171a4
hexd3c1122ff

56842330879 has 2 divisors, whose sum is σ = 56842330880. Its totient is φ = 56842330878.

The previous prime is 56842330843. The next prime is 56842330889. The reversal of 56842330879 is 97803324865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56842330879 - 211 = 56842328831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56842330889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28421165439 + 28421165440.

It is an arithmetic number, because the mean of its divisors is an integer number (28421165440).

Almost surely, 256842330879 is an apocalyptic number.

56842330879 is a deficient number, since it is larger than the sum of its proper divisors (1).

56842330879 is an equidigital number, since it uses as much as digits as its factorization.

56842330879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 56842330879 in words is "fifty-six billion, eight hundred forty-two million, three hundred thirty thousand, eight hundred seventy-nine".