Base | Representation |
---|---|
bin | 11100010101110101… |
… | …000100000111101000 |
3 | 2220112210022010111100 |
4 | 130111311010013220 |
5 | 444310314044422 |
6 | 21551350001400 |
7 | 2125052154456 |
oct | 342565040750 |
9 | 86483263440 |
10 | 30431003112 |
11 | 119a6565054 |
12 | 5a93346260 |
13 | 2b3c770123 |
14 | 168979d9d6 |
15 | bd18b37ac |
hex | 715d441e8 |
30431003112 has 48 divisors (see below), whose sum is σ = 82440072000. Its totient is φ = 10140865056.
The previous prime is 30431003107. The next prime is 30431003129. The reversal of 30431003112 is 21130013403.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 212689 + ... + 325727.
It is an arithmetic number, because the mean of its divisors is an integer number (1717501500).
Almost surely, 230431003112 is an apocalyptic number.
It is an amenable number.
30431003112 is an abundant number, since it is smaller than the sum of its proper divisors (52009068888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30431003112 is a wasteful number, since it uses less digits than its factorization.
30431003112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116790 (or 116783 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30431003112 its reverse (21130013403), we get a palindrome (51561016515).
The spelling of 30431003112 in words is "thirty billion, four hundred thirty-one million, three thousand, one hundred twelve".
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