Base | Representation |
---|---|
bin | 1111010000110… |
… | …0001000001000 |
3 | 11110110012001202 |
4 | 3310030020020 |
5 | 112341402213 |
6 | 10204003332 |
7 | 1405046156 |
oct | 364141010 |
9 | 143405052 |
10 | 64012808 |
11 | 33151852 |
12 | 19530548 |
13 | 10353602 |
14 | 87043d6 |
15 | 5946b58 |
hex | 3d0c208 |
64012808 has 16 divisors (see below), whose sum is σ = 122952060. Its totient is φ = 31225600.
The previous prime is 64012807. The next prime is 64012811. The reversal of 64012808 is 80821046.
It can be written as a sum of positive squares in 2 ways, for example, as 61183684 + 2829124 = 7822^2 + 1682^2 .
It is not an unprimeable number, because it can be changed into a prime (64012807) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97253 + ... + 97908.
Almost surely, 264012808 is an apocalyptic number.
It is an amenable number.
64012808 is a deficient number, since it is larger than the sum of its proper divisors (58939252).
64012808 is a wasteful number, since it uses less digits than its factorization.
64012808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195208 (or 195204 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 64012808 is about 8000.8004599540. The cubic root of 64012808 is about 400.0266815535.
The spelling of 64012808 in words is "sixty-four million, twelve thousand, eight hundred eight".
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