Base | Representation |
---|---|
bin | 10001101010010001… |
… | …101001100110010100 |
3 | 1210221120000011022211 |
4 | 101222101221212110 |
5 | 302313444142131 |
6 | 12413400203204 |
7 | 1240626554050 |
oct | 215221514624 |
9 | 53846004284 |
10 | 18962880916 |
11 | 8051063111 |
12 | 3812769504 |
13 | 1a328722c5 |
14 | cbc674c60 |
15 | 75eba65b1 |
hex | 46a469994 |
18962880916 has 144 divisors (see below), whose sum is σ = 41934627840. Its totient is φ = 7339921920.
The previous prime is 18962880901. The next prime is 18962880919. The reversal of 18962880916 is 61908826981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18962880919) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22873990 + ... + 22874818.
Almost surely, 218962880916 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18962880916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20967313920).
18962880916 is an abundant number, since it is smaller than the sum of its proper divisors (22971746924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18962880916 is a wasteful number, since it uses less digits than its factorization.
18962880916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 982 (or 961 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 58.
The spelling of 18962880916 in words is "eighteen billion, nine hundred sixty-two million, eight hundred eighty thousand, nine hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •