Base | Representation |
---|---|
bin | 11100100001011001… |
… | …010100000010100000 |
3 | 2221001022102222110212 |
4 | 130201121110002200 |
5 | 1000210003224010 |
6 | 22022521113252 |
7 | 2132626446200 |
oct | 344131240240 |
9 | 87038388425 |
10 | 30625054880 |
11 | 11a96055012 |
12 | 5b28328828 |
13 | 2b70a23b64 |
14 | 16a7474400 |
15 | be3945505 |
hex | 7216540a0 |
30625054880 has 144 divisors (see below), whose sum is σ = 85545290376. Its totient is φ = 10327726080.
The previous prime is 30625054849. The next prime is 30625054909. The reversal of 30625054880 is 8845052603.
It can be written as a sum of positive squares in 4 ways, for example, as 6588893584 + 24036161296 = 81172^2 + 155036^2 .
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446222 + ... + 510258.
Almost surely, 230625054880 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 30625054880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42772645188).
30625054880 is an abundant number, since it is smaller than the sum of its proper divisors (54920235496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30625054880 is a wasteful number, since it uses less digits than its factorization.
30625054880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64127 (or 64112 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 41.
The spelling of 30625054880 in words is "thirty billion, six hundred twenty-five million, fifty-four thousand, eight hundred eighty".
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