Base | Representation |
---|---|
bin | 10001011010111001… |
… | …101011111010100100 |
3 | 1210021120122102212210 |
4 | 101122321223322210 |
5 | 301301431100313 |
6 | 12332023443420 |
7 | 1231345241556 |
oct | 213271537244 |
9 | 53246572783 |
10 | 18704940708 |
11 | 7a294a6893 |
12 | 37602b6570 |
13 | 19c12ac76c |
14 | c962cd4d6 |
15 | 7472049c3 |
hex | 45ae6bea4 |
18704940708 has 12 divisors (see below), whose sum is σ = 43644861680. Its totient is φ = 6234980232.
The previous prime is 18704940707. The next prime is 18704940713. The reversal of 18704940708 is 80704940781.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (18704940707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779372518 + ... + 779372541.
Almost surely, 218704940708 is an apocalyptic number.
It is an amenable number.
18704940708 is an abundant number, since it is smaller than the sum of its proper divisors (24939920972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18704940708 is a wasteful number, since it uses less digits than its factorization.
18704940708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1558745066 (or 1558745064 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 48.
The spelling of 18704940708 in words is "eighteen billion, seven hundred four million, nine hundred forty thousand, seven hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •