Base | Representation |
---|---|
bin | 111011101110101001… |
… | …100000011001001011 |
3 | 20010112120022021210021 |
4 | 323232221200121023 |
5 | 2022321122301024 |
6 | 45243521201311 |
7 | 4430166622654 |
oct | 735651403113 |
9 | 203476267707 |
10 | 64133400139 |
11 | 252206a5836 |
12 | 1051a190237 |
13 | 6080bb7ba3 |
14 | 316581052b |
15 | 1a05578de4 |
hex | eeea6064b |
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".
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