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64133400139 is a prime number
BaseRepresentation
bin111011101110101001…
…100000011001001011
320010112120022021210021
4323232221200121023
52022321122301024
645243521201311
74430166622654
oct735651403113
9203476267707
1064133400139
11252206a5836
121051a190237
136080bb7ba3
14316581052b
151a05578de4
hexeeea6064b

64133400139 has 2 divisors, whose sum is σ = 64133400140. Its totient is φ = 64133400138.

The previous prime is 64133400137. The next prime is 64133400157. The reversal of 64133400139 is 93100433146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64133400139 - 21 = 64133400137 is a prime.

It is a super-2 number, since 2×641334001392 (a number of 22 digits) contains 22 as substring.

Together with 64133400137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64133400131) 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, 32066700069 + 32066700070.

It is an arithmetic number, because the mean of its divisors is an integer number (32066700070).

Almost surely, 264133400139 is an apocalyptic number.

64133400139 is a deficient number, since it is larger than the sum of its proper divisors (1).

64133400139 is an equidigital number, since it uses as much as digits as its factorization.

64133400139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 64133400139 in words is "sixty-four billion, one hundred thirty-three million, four hundred thousand, one hundred thirty-nine".