Base | Representation |
---|---|
bin | 11010011011110011… |
… | …110100111111101110 |
3 | 2201021010020102020211 |
4 | 122123303310333232 |
5 | 431112231434140 |
6 | 21012300333034 |
7 | 2023243550356 |
oct | 323363647756 |
9 | 81233212224 |
10 | 28383858670 |
11 | 11045a48142 |
12 | 560184417a |
13 | 28a45ca35b |
14 | 1533951b66 |
15 | b11cdc2ea |
hex | 69bcf4fee |
28383858670 has 16 divisors (see below), whose sum is σ = 51543079920. Its totient is φ = 11253069184.
The previous prime is 28383858661. The next prime is 28383858703. The reversal of 28383858670 is 7685838382.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12558100 + ... + 12560359.
It is an arithmetic number, because the mean of its divisors is an integer number (3221442495).
Almost surely, 228383858670 is an apocalyptic number.
28383858670 is a deficient number, since it is larger than the sum of its proper divisors (23159221250).
28383858670 is a wasteful number, since it uses less digits than its factorization.
28383858670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25118579.
The product of its (nonzero) digits is 15482880, while the sum is 58.
The spelling of 28383858670 in words is "twenty-eight billion, three hundred eighty-three million, eight hundred fifty-eight thousand, six hundred seventy".
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