Base | Representation |
---|---|
bin | 10001000111001111… |
… | …100011111010100000 |
3 | 1202102121001100201102 |
4 | 101013033203322200 |
5 | 300113013141114 |
6 | 12235202453532 |
7 | 1220232014603 |
oct | 210717437240 |
9 | 52377040642 |
10 | 18375130784 |
11 | 787a3117aa |
12 | 36899642a8 |
13 | 196ab7536a |
14 | c6459a33a |
15 | 7282a82de |
hex | 4473e3ea0 |
18375130784 has 24 divisors (see below), whose sum is σ = 36527268960. Its totient is φ = 9098364096.
The previous prime is 18375130783. The next prime is 18375130811. The reversal of 18375130784 is 48703157381.
It is not an unprimeable number, because it can be changed into a prime (18375130783) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2784194 + ... + 2790785.
It is an arithmetic number, because the mean of its divisors is an integer number (1521969540).
Almost surely, 218375130784 is an apocalyptic number.
It is an amenable number.
18375130784 is a deficient number, since it is larger than the sum of its proper divisors (18152138176).
18375130784 is a wasteful number, since it uses less digits than its factorization.
18375130784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5575092 (or 5575084 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 47.
The spelling of 18375130784 in words is "eighteen billion, three hundred seventy-five million, one hundred thirty thousand, seven hundred eighty-four".
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