Base | Representation |
---|---|
bin | 10001101100010000… |
… | …111111110100101010 |
3 | 1211000212211012122000 |
4 | 101230100333310222 |
5 | 302401020423414 |
6 | 12420551511430 |
7 | 1241513403363 |
oct | 215420776452 |
9 | 54025735560 |
10 | 18996264234 |
11 | 8068994532 |
12 | 3821988576 |
13 | 1a3976024c |
14 | cc2c84b6a |
15 | 762a9cb09 |
hex | 46c43fd2a |
18996264234 has 32 divisors (see below), whose sum is σ = 42260571840. Its totient is φ = 6325090416.
The previous prime is 18996264211. The next prime is 18996264247. The reversal of 18996264234 is 43246269981.
18996264234 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 626 + 4 + 2 + 3 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144949 + ... + 242904.
It is an arithmetic number, because the mean of its divisors is an integer number (1320642870).
Almost surely, 218996264234 is an apocalyptic number.
18996264234 is an abundant number, since it is smaller than the sum of its proper divisors (23264307606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18996264234 is a wasteful number, since it uses less digits than its factorization.
18996264234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388771 (or 388765 counting only the distinct ones).
The product of its digits is 4478976, while the sum is 54.
The spelling of 18996264234 in words is "eighteen billion, nine hundred ninety-six million, two hundred sixty-four thousand, two hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •