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64025088121 is a prime number
BaseRepresentation
bin111011101000001100…
…010101000001111001
320010021000111110122001
4323220030111001321
52022110410304441
645225051501001
74424413161331
oct735014250171
9203230443561
1064025088121
1125175547375
12104a9a57761
136064623c37
1431552980c1
1519eacd1731
hexee8315079

64025088121 has 2 divisors, whose sum is σ = 64025088122. Its totient is φ = 64025088120.

The previous prime is 64025088041. The next prime is 64025088131. The reversal of 64025088121 is 12188052046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64009000000 + 16088121 = 253000^2 + 4011^2 .

It is a cyclic number.

It is not a de Polignac number, because 64025088121 - 217 = 64024957049 is a prime.

It is not a weakly prime, because it can be changed into another prime (64025088131) 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, 32012544060 + 32012544061.

It is an arithmetic number, because the mean of its divisors is an integer number (32012544061).

Almost surely, 264025088121 is an apocalyptic number.

It is an amenable number.

64025088121 is a deficient number, since it is larger than the sum of its proper divisors (1).

64025088121 is an equidigital number, since it uses as much as digits as its factorization.

64025088121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 64025088121 in words is "sixty-four billion, twenty-five million, eighty-eight thousand, one hundred twenty-one".