Base | Representation |
---|---|
bin | 11100011001100101… |
… | …010100110000001000 |
3 | 2220201011210222111111 |
4 | 130121211110300020 |
5 | 444422430021200 |
6 | 22001515540104 |
7 | 2126445413455 |
oct | 343145246010 |
9 | 86634728444 |
10 | 30493985800 |
11 | 11a29072963 |
12 | 5ab045a634 |
13 | 2b4c8228a5 |
14 | 1693cb682c |
15 | bd71a50ba |
hex | 719954c08 |
30493985800 has 48 divisors (see below), whose sum is σ = 71149173840. Its totient is φ = 12154470720.
The previous prime is 30493985789. The next prime is 30493985831. The reversal of 30493985800 is 858939403.
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, 212782 + ... + 325981.
It is an arithmetic number, because the mean of its divisors is an integer number (1482274455).
Almost surely, 230493985800 is an apocalyptic number.
It is an amenable number.
30493985800 is an abundant number, since it is smaller than the sum of its proper divisors (40655188040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30493985800 is a wasteful number, since it uses less digits than its factorization.
30493985800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539062 (or 539053 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 49.
The spelling of 30493985800 in words is "thirty billion, four hundred ninety-three million, nine hundred eighty-five thousand, eight hundred".
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