Base | Representation |
---|---|
bin | 10000111110101110… |
… | …000001111000101100 |
3 | 1202001121221210211000 |
4 | 100332232001320230 |
5 | 244314410413144 |
6 | 12213053400300 |
7 | 1213544326221 |
oct | 207656017054 |
9 | 52047853730 |
10 | 18232122924 |
11 | 7806615894 |
12 | 3649a99090 |
13 | 1947353c22 |
14 | c4d5b1948 |
15 | 71a95a769 |
hex | 43eb81e2c |
18232122924 has 24 divisors (see below), whose sum is σ = 47268467120. Its totient is φ = 6077374272.
The previous prime is 18232122917. The next prime is 18232122943. The reversal of 18232122924 is 42922123281.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84407869 + ... + 84408084.
Almost surely, 218232122924 is an apocalyptic number.
It is an amenable number.
18232122924 is an abundant number, since it is smaller than the sum of its proper divisors (29036344196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18232122924 is a wasteful number, since it uses less digits than its factorization.
18232122924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168815966 (or 168815958 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The spelling of 18232122924 in words is "eighteen billion, two hundred thirty-two million, one hundred twenty-two thousand, nine hundred twenty-four".
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