Base | Representation |
---|---|
bin | 11100110000101010… |
… | …001000110001001100 |
3 | 2221201011021121110021 |
4 | 130300222020301030 |
5 | 1001221031422104 |
6 | 22104145351524 |
7 | 2142156134515 |
oct | 346052106114 |
9 | 87634247407 |
10 | 30881123404 |
11 | 1210765309a |
12 | 5b9a0385a4 |
13 | 2bb1aac7b1 |
14 | 16cd48da0c |
15 | c0b177754 |
hex | 730a88c4c |
30881123404 has 24 divisors (see below), whose sum is σ = 54514672128. Its totient is φ = 15305713920.
The previous prime is 30881123393. The next prime is 30881123411. The reversal of 30881123404 is 40432118803.
It is a self number, because there is not a number n which added to its sum of digits gives 30881123404.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574212 + ... + 625684.
It is an arithmetic number, because the mean of its divisors is an integer number (2271444672).
Almost surely, 230881123404 is an apocalyptic number.
It is an amenable number.
30881123404 is a deficient number, since it is larger than the sum of its proper divisors (23633548724).
30881123404 is a wasteful number, since it uses less digits than its factorization.
30881123404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52785 (or 52783 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The spelling of 30881123404 in words is "thirty billion, eight hundred eighty-one million, one hundred twenty-three thousand, four hundred four".
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