Base | Representation |
---|---|
bin | 10001000000011001… |
… | …000000111111101100 |
3 | 1202010120201200100212 |
4 | 101000121000333230 |
5 | 244344100344214 |
6 | 12215534441552 |
7 | 1214334605252 |
oct | 210031007754 |
9 | 52116650325 |
10 | 18260168684 |
11 | 7820430aaa |
12 | 36573632b8 |
13 | 19500c3554 |
14 | c531d25d2 |
15 | 71d14a53e |
hex | 440640fec |
18260168684 has 12 divisors (see below), whose sum is σ = 32140009104. Its totient is φ = 9077308944.
The previous prime is 18260168683. The next prime is 18260168713. The reversal of 18260168684 is 48686106281.
It is not an unprimeable number, because it can be changed into a prime (18260168683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193072 + ... + 13194455.
It is an arithmetic number, because the mean of its divisors is an integer number (2678334092).
Almost surely, 218260168684 is an apocalyptic number.
It is an amenable number.
18260168684 is a deficient number, since it is larger than the sum of its proper divisors (13879840420).
18260168684 is a wasteful number, since it uses less digits than its factorization.
18260168684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26387704 (or 26387702 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 50.
The spelling of 18260168684 in words is "eighteen billion, two hundred sixty million, one hundred sixty-eight thousand, six hundred eighty-four".
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