Base | Representation |
---|---|
bin | 11100110111000100… |
… | …010111100010000000 |
3 | 2221222122122011221000 |
4 | 130313010113202000 |
5 | 1001431044203122 |
6 | 22122550332000 |
7 | 2144633201004 |
oct | 346704274200 |
9 | 87878564830 |
10 | 30988662912 |
11 | 12162324119 |
12 | 600a05a000 |
13 | 2bcb162c3c |
14 | 16dd884704 |
15 | c1581b0ac |
hex | 737117880 |
30988662912 has 64 divisors (see below), whose sum is σ = 91459605600. Its totient is φ = 10329553152.
The previous prime is 30988662893. The next prime is 30988662931. The reversal of 30988662912 is 21926688903.
30988662912 is a `hidden beast` number, since 3 + 0 + 9 + 8 + 8 + 6 + 629 + 1 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (30988662893) and next prime (30988662931).
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 4479858 + ... + 4486769.
Almost surely, 230988662912 is an apocalyptic number.
30988662912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30988662912 is an abundant number, since it is smaller than the sum of its proper divisors (60470942688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30988662912 is an equidigital number, since it uses as much as digits as its factorization.
30988662912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8966650 (or 8966632 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The spelling of 30988662912 in words is "thirty billion, nine hundred eighty-eight million, six hundred sixty-two thousand, nine hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •