Base | Representation |
---|---|
bin | 10001100000101101… |
… | …100001011000101100 |
3 | 1210112101001122200020 |
4 | 101200231201120230 |
5 | 302001404241043 |
6 | 12345425002140 |
7 | 1233640614606 |
oct | 214055413054 |
9 | 53471048606 |
10 | 18802415148 |
11 | 7a79522880 |
12 | 3788a83350 |
13 | 1a0854a84a |
14 | ca5224176 |
15 | 750a5ae83 |
hex | 460b6162c |
18802415148 has 48 divisors (see below), whose sum is σ = 47872145664. Its totient is φ = 5696338240.
The previous prime is 18802415129. The next prime is 18802415161. The reversal of 18802415148 is 84151420881.
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, 629161 + ... + 658367.
It is an arithmetic number, because the mean of its divisors is an integer number (997336368).
Almost surely, 218802415148 is an apocalyptic number.
It is an amenable number.
18802415148 is an abundant number, since it is smaller than the sum of its proper divisors (29069730516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18802415148 is a wasteful number, since it uses less digits than its factorization.
18802415148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34102 (or 34100 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 42.
The spelling of 18802415148 in words is "eighteen billion, eight hundred two million, four hundred fifteen thousand, one hundred forty-eight".
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