Base | Representation |
---|---|
bin | 11100101011110010… |
… | …011110010001000000 |
3 | 2221111110112202220220 |
4 | 130223302132101000 |
5 | 1001034123010103 |
6 | 22052110303040 |
7 | 2140144525530 |
oct | 345362362100 |
9 | 87443482826 |
10 | 30799422528 |
11 | 12075520006 |
12 | 5b767b7a80 |
13 | 2b9aba5194 |
14 | 16c26a34c0 |
15 | c03dd9c53 |
hex | 72bc9e440 |
30799422528 has 56 divisors (see below), whose sum is σ = 93131591232. Its totient is φ = 8799834624.
The previous prime is 30799422523. The next prime is 30799422551. The reversal of 30799422528 is 82522499703.
It is a tau number, because it is divible by the number of its divisors (56).
It is not an unprimeable number, because it can be changed into a prime (30799422523) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456775 + ... + 11459462.
Almost surely, 230799422528 is an apocalyptic number.
It is an amenable number.
30799422528 is an abundant number, since it is smaller than the sum of its proper divisors (62332168704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30799422528 is a wasteful number, since it uses less digits than its factorization.
30799422528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22916259 (or 22916249 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 51.
The spelling of 30799422528 in words is "thirty billion, seven hundred ninety-nine million, four hundred twenty-two thousand, five hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •