Base | Representation |
---|---|
bin | 11100000011101000… |
… | …110101010100000111 |
3 | 2212202112000112221021 |
4 | 130003220311110013 |
5 | 443144201304410 |
6 | 21501204332011 |
7 | 2114355063454 |
oct | 340350652407 |
9 | 85675015837 |
10 | 30125806855 |
11 | 1185a261641 |
12 | 5a090a4007 |
13 | 2ac1473121 |
14 | 165b03682b |
15 | bb4bc9eda |
hex | 703a35507 |
30125806855 has 16 divisors (see below), whose sum is σ = 36227827584. Its totient is φ = 24049458720.
The previous prime is 30125806819. The next prime is 30125806861. The reversal of 30125806855 is 55860852103.
It is not a de Polignac number, because 30125806855 - 219 = 30125282567 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9821032 + ... + 9824098.
It is an arithmetic number, because the mean of its divisors is an integer number (2264239224).
Almost surely, 230125806855 is an apocalyptic number.
30125806855 is a deficient number, since it is larger than the sum of its proper divisors (6102020729).
30125806855 is a wasteful number, since it uses less digits than its factorization.
30125806855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6606.
The product of its (nonzero) digits is 288000, while the sum is 43.
The spelling of 30125806855 in words is "thirty billion, one hundred twenty-five million, eight hundred six thousand, eight hundred fifty-five".
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