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64601244601 is a prime number
BaseRepresentation
bin111100001010100010…
…001100001110111001
320011202011122020201221
4330022202030032321
52024300404311401
645402152512041
74444610342665
oct741242141671
9204664566657
1064601244601
112544079a253
121062a9ab621
136126ac1b2a
1431ab9d58a5
151a3168e7a1
hexf0a88c3b9

64601244601 has 2 divisors, whose sum is σ = 64601244602. Its totient is φ = 64601244600.

The previous prime is 64601244599. The next prime is 64601244607. The reversal of 64601244601 is 10644210646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45804560400 + 18796684201 = 214020^2 + 137101^2 .

It is a cyclic number.

It is not a de Polignac number, because 64601244601 - 21 = 64601244599 is a prime.

Together with 64601244599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64601244607) 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, 32300622300 + 32300622301.

It is an arithmetic number, because the mean of its divisors is an integer number (32300622301).

Almost surely, 264601244601 is an apocalyptic number.

It is an amenable number.

64601244601 is a deficient number, since it is larger than the sum of its proper divisors (1).

64601244601 is an equidigital number, since it uses as much as digits as its factorization.

64601244601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 64601244601 in words is "sixty-four billion, six hundred one million, two hundred forty-four thousand, six hundred one".