Base | Representation |
---|---|
bin | 10001100010010111… |
… | …111010010011010000 |
3 | 1210121022112120121212 |
4 | 101202113322103100 |
5 | 302031024220324 |
6 | 12352302435252 |
7 | 1234426642556 |
oct | 214227722320 |
9 | 53538476555 |
10 | 18830304464 |
11 | 7a932414a4 |
12 | 3796292b28 |
13 | 1a11263bba |
14 | ca8c03bd6 |
15 | 75321970e |
hex | 4625fa4d0 |
18830304464 has 40 divisors (see below), whose sum is σ = 38427644640. Its totient is φ = 8914105728.
The previous prime is 18830304463. The next prime is 18830304469. The reversal of 18830304464 is 46440303881.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18830304463) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496379 + ... + 532965.
It is an arithmetic number, because the mean of its divisors is an integer number (960691116).
Almost surely, 218830304464 is an apocalyptic number.
It is an amenable number.
18830304464 is an abundant number, since it is smaller than the sum of its proper divisors (19597340176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18830304464 is a wasteful number, since it uses less digits than its factorization.
18830304464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38307 (or 38301 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 41.
The spelling of 18830304464 in words is "eighteen billion, eight hundred thirty million, three hundred four thousand, four hundred sixty-four".
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