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64522457801 is a prime number
BaseRepresentation
bin111100000101110101…
…101001001011001001
320011112200101110120022
4330011311221023021
52024120222122201
645350300110225
74442632561604
oct740565511311
9204480343508
1064522457801
112540027759a
1210608535375
136113697a19
1431a136733b
151a297ca41b
hexf05d692c9

64522457801 has 2 divisors, whose sum is σ = 64522457802. Its totient is φ = 64522457800.

The previous prime is 64522457729. The next prime is 64522457837. The reversal of 64522457801 is 10875422546.

64522457801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50337409600 + 14185048201 = 224360^2 + 119101^2 .

It is a cyclic number.

It is not a de Polignac number, because 64522457801 - 218 = 64522195657 is a prime.

It is not a weakly prime, because it can be changed into another prime (64522457851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32261228900 + 32261228901.

It is an arithmetic number, because the mean of its divisors is an integer number (32261228901).

Almost surely, 264522457801 is an apocalyptic number.

It is an amenable number.

64522457801 is a deficient number, since it is larger than the sum of its proper divisors (1).

64522457801 is an equidigital number, since it uses as much as digits as its factorization.

64522457801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 64522457801 in words is "sixty-four billion, five hundred twenty-two million, four hundred fifty-seven thousand, eight hundred one".