Base | Representation |
---|---|
bin | 1100011010100000… |
… | …11100000111011000 |
3 | 122012111010011220211 |
4 | 12031100130013120 |
5 | 102122201123331 |
6 | 3021203100504 |
7 | 324106261003 |
oct | 61520340730 |
9 | 18174104824 |
10 | 6664864216 |
11 | 291016214a |
12 | 1360071734 |
13 | 822a5564a |
14 | 47323c53a |
15 | 2901b98b1 |
hex | 18d41c1d8 |
6664864216 has 16 divisors (see below), whose sum is σ = 12927538800. Its totient is φ = 3217520544.
The previous prime is 6664864201. The next prime is 6664864223. The reversal of 6664864216 is 6124684666.
It is a self number, because there is not a number n which added to its sum of digits gives 6664864216.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14363700 + ... + 14364163.
It is an arithmetic number, because the mean of its divisors is an integer number (807971175).
Almost surely, 26664864216 is an apocalyptic number.
It is an amenable number.
6664864216 is a deficient number, since it is larger than the sum of its proper divisors (6262674584).
6664864216 is a wasteful number, since it uses less digits than its factorization.
6664864216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28727898 (or 28727894 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 49.
The square root of 6664864216 is about 81638.6196355622. The cubic root of 6664864216 is about 1881.9024253717.
The spelling of 6664864216 in words is "six billion, six hundred sixty-four million, eight hundred sixty-four thousand, two hundred sixteen".
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