Base | Representation |
---|---|
bin | 111011111001100001… |
… | …010011110000001101 |
3 | 20011000021112012011111 |
4 | 323321201103300031 |
5 | 2023204321104324 |
6 | 45313554452021 |
7 | 4434543166465 |
oct | 737141236015 |
9 | 204007465144 |
10 | 64315800589 |
11 | 25304657a07 |
12 | 1056b294011 |
13 | 60ac91c551 |
14 | 3181b30ba5 |
15 | 1a165a8794 |
hex | ef9853c0d |
64315800589 has 2 divisors, whose sum is σ = 64315800590. Its totient is φ = 64315800588.
The previous prime is 64315800569. The next prime is 64315800623. The reversal of 64315800589 is 98500851346.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36956986564 + 27358814025 = 192242^2 + 165405^2 .
It is a cyclic number.
It is not a de Polignac number, because 64315800589 - 29 = 64315800077 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64315800559) 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, 32157900294 + 32157900295.
It is an arithmetic number, because the mean of its divisors is an integer number (32157900295).
Almost surely, 264315800589 is an apocalyptic number.
It is an amenable number.
64315800589 is a deficient number, since it is larger than the sum of its proper divisors (1).
64315800589 is an equidigital number, since it uses as much as digits as its factorization.
64315800589 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1036800, while the sum is 49.
The spelling of 64315800589 in words is "sixty-four billion, three hundred fifteen million, eight hundred thousand, five hundred eighty-nine".
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