Base | Representation |
---|---|
bin | 11100011001001110… |
… | …010011000010000100 |
3 | 2220200202110022011202 |
4 | 130121032103002010 |
5 | 444414403340234 |
6 | 22001142322032 |
7 | 2126343202661 |
oct | 343116230204 |
9 | 86622408152 |
10 | 30487949444 |
11 | 11a2571a737 |
12 | 5aaa429318 |
13 | 2b4b4bb194 |
14 | 1693184a68 |
15 | bd68b177e |
hex | 719393084 |
30487949444 has 12 divisors (see below), whose sum is σ = 53356265424. Its totient is φ = 15243302184.
The previous prime is 30487949431. The next prime is 30487949473. The reversal of 30487949444 is 44494978403.
It is a super-2 number, since 2×304879494442 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30487949444.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58142 + ... + 253685.
It is an arithmetic number, because the mean of its divisors is an integer number (4446355452).
Almost surely, 230487949444 is an apocalyptic number.
It is an amenable number.
30487949444 is a deficient number, since it is larger than the sum of its proper divisors (22868315980).
30487949444 is a wasteful number, since it uses less digits than its factorization.
30487949444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336274 (or 336272 counting only the distinct ones).
The product of its (nonzero) digits is 13934592, while the sum is 56.
The spelling of 30487949444 in words is "thirty billion, four hundred eighty-seven million, nine hundred forty-nine thousand, four hundred forty-four".
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