Base | Representation |
---|---|
bin | 111100001111110001… |
… | …111110101010000111 |
3 | 20011222022021101001001 |
4 | 330033301332222013 |
5 | 2024440423110013 |
6 | 45415015314131 |
7 | 4450026501004 |
oct | 741761765207 |
9 | 204868241031 |
10 | 64689269383 |
11 | 25486451602 |
12 | 1065437b947 |
13 | 613c1019bb |
14 | 31b958a8ab |
15 | 1a3927addd |
hex | f0fc7ea87 |
64689269383 has 2 divisors, whose sum is σ = 64689269384. Its totient is φ = 64689269382.
The previous prime is 64689269371. The next prime is 64689269387. The reversal of 64689269383 is 38396298646.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64689269383 - 225 = 64655714951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64689269387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32344634691 + 32344634692.
It is an arithmetic number, because the mean of its divisors is an integer number (32344634692).
Almost surely, 264689269383 is an apocalyptic number.
64689269383 is a deficient number, since it is larger than the sum of its proper divisors (1).
64689269383 is an equidigital number, since it uses as much as digits as its factorization.
64689269383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 80621568, while the sum is 64.
The spelling of 64689269383 in words is "sixty-four billion, six hundred eighty-nine million, two hundred sixty-nine thousand, three hundred eighty-three".
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