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64231605467 is a prime number
BaseRepresentation
bin111011110100100000…
…001000010011011011
320010210102002122011122
4323310200020103123
52023021242333332
645301350115455
74432501431611
oct736440102333
9203712078148
1064231605467
1125271080967
121054704bb8b
136098350853
1431748956b1
151a0dec6c12
hexef48084db

64231605467 has 2 divisors, whose sum is σ = 64231605468. Its totient is φ = 64231605466.

The previous prime is 64231605433. The next prime is 64231605491. The reversal of 64231605467 is 76450613246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64231605467 - 210 = 64231604443 is a prime.

It is not a weakly prime, because it can be changed into another prime (64231605497) 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, 32115802733 + 32115802734.

It is an arithmetic number, because the mean of its divisors is an integer number (32115802734).

Almost surely, 264231605467 is an apocalyptic number.

64231605467 is a deficient number, since it is larger than the sum of its proper divisors (1).

64231605467 is an equidigital number, since it uses as much as digits as its factorization.

64231605467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 64231605467 in words is "sixty-four billion, two hundred thirty-one million, six hundred five thousand, four hundred sixty-seven".