Base | Representation |
---|---|
bin | 11101001001101011110011… |
… | …10110001010011101111101 |
3 | 22101222022202000200112001222 |
4 | 32210311321312022131331 |
5 | 31400241333332301324 |
6 | 344201100310043125 |
7 | 16334251364101016 |
oct | 1644657166123575 |
9 | 271868660615058 |
10 | 64104431134589 |
11 | 1947559a1a387a |
12 | 7233a503494a5 |
13 | 29a00391cab91 |
14 | 11b89573d800d |
15 | 762783cd155e |
hex | 3a4d79d8a77d |
64104431134589 has 2 divisors, whose sum is σ = 64104431134590. Its totient is φ = 64104431134588.
The previous prime is 64104431134561. The next prime is 64104431134591. The reversal of 64104431134589 is 98543113440146.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63047887672900 + 1056543461689 = 7940270^2 + 1027883^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64104431134589 is a prime.
Together with 64104431134591, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 64104431134589.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64104431137589) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32052215567294 + 32052215567295.
It is an arithmetic number, because the mean of its divisors is an integer number (32052215567295).
Almost surely, 264104431134589 is an apocalyptic number.
It is an amenable number.
64104431134589 is a deficient number, since it is larger than the sum of its proper divisors (1).
64104431134589 is an equidigital number, since it uses as much as digits as its factorization.
64104431134589 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4976640, while the sum is 53.
The spelling of 64104431134589 in words is "sixty-four trillion, one hundred four billion, four hundred thirty-one million, one hundred thirty-four thousand, five hundred eighty-nine".
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