Base | Representation |
---|---|
bin | 11100000101101101… |
… | …111111111111001000 |
3 | 2212211221201002220012 |
4 | 130011231333333020 |
5 | 443232120400340 |
6 | 21504452451052 |
7 | 2115260565542 |
oct | 340555777710 |
9 | 85757632805 |
10 | 30160715720 |
11 | 11877a35143 |
12 | 5a18919a88 |
13 | 2ac8776565 |
14 | 1661922692 |
15 | bb7cc3565 |
hex | 705b7ffc8 |
30160715720 has 48 divisors (see below), whose sum is σ = 70282435860. Its totient is φ = 11648263424.
The previous prime is 30160715719. The next prime is 30160715747. The reversal of 30160715720 is 2751706103.
It can be written as a sum of positive squares in 6 ways, for example, as 3690076516 + 26470639204 = 60746^2 + 162698^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414647 + ... + 481926.
Almost surely, 230160715720 is an apocalyptic number.
It is an amenable number.
30160715720 is an abundant number, since it is smaller than the sum of its proper divisors (40121720140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30160715720 is a wasteful number, since it uses less digits than its factorization.
30160715720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896642 (or 896609 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 32.
The spelling of 30160715720 in words is "thirty billion, one hundred sixty million, seven hundred fifteen thousand, seven hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •