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56655100493 is a prime number
BaseRepresentation
bin110100110000111010…
…000011101001001101
312102020101120022020022
4310300322003221031
51412012201203433
642005455231525
74043652260045
oct646072035115
9172211508208
1056655100493
1122033366602
12ab918185a5
13545b787204
142a5654a725
151718c81698
hexd30e83a4d

56655100493 has 2 divisors, whose sum is σ = 56655100494. Its totient is φ = 56655100492.

The previous prime is 56655100487. The next prime is 56655100517. The reversal of 56655100493 is 39400155665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46086643684 + 10568456809 = 214678^2 + 102803^2 .

It is a cyclic number.

It is not a de Polignac number, because 56655100493 - 232 = 52360133197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56655100433) 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, 28327550246 + 28327550247.

It is an arithmetic number, because the mean of its divisors is an integer number (28327550247).

Almost surely, 256655100493 is an apocalyptic number.

It is an amenable number.

56655100493 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655100493 is an equidigital number, since it uses as much as digits as its factorization.

56655100493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 56655100493 in words is "fifty-six billion, six hundred fifty-five million, one hundred thousand, four hundred ninety-three".