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56530487201 is a prime number
BaseRepresentation
bin110100101001011110…
…101100011110100001
312101220201002021221012
4310221132230132201
51411233301042301
641545244310305
74040610133016
oct645136543641
9171821067835
1056530487201
1121a79a93811
12ab57b42395
13543ba06536
142a43b8d70d
15170cd68ebb
hexd297ac7a1

56530487201 has 2 divisors, whose sum is σ = 56530487202. Its totient is φ = 56530487200.

The previous prime is 56530487183. The next prime is 56530487231. The reversal of 56530487201 is 10278403565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54838398976 + 1692088225 = 234176^2 + 41135^2 .

It is a cyclic number.

It is not a de Polignac number, because 56530487201 - 226 = 56463378337 is a prime.

It is not a weakly prime, because it can be changed into another prime (56530487231) 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, 28265243600 + 28265243601.

It is an arithmetic number, because the mean of its divisors is an integer number (28265243601).

Almost surely, 256530487201 is an apocalyptic number.

It is an amenable number.

56530487201 is a deficient number, since it is larger than the sum of its proper divisors (1).

56530487201 is an equidigital number, since it uses as much as digits as its factorization.

56530487201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 56530487201 in words is "fifty-six billion, five hundred thirty million, four hundred eighty-seven thousand, two hundred one".