Base | Representation |
---|---|
bin | 11100101010010100… |
… | …000101011110000100 |
3 | 2221102201222200202210 |
4 | 130222110011132010 |
5 | 1001011304220203 |
6 | 22045424103420 |
7 | 2136424313313 |
oct | 345224053604 |
9 | 87381880683 |
10 | 30774679428 |
11 | 12062560169 |
12 | 5b6a464b70 |
13 | 2b95a20bac |
14 | 16bd2a227a |
15 | c01b4d803 |
hex | 72a505784 |
30774679428 has 12 divisors (see below), whose sum is σ = 71807585360. Its totient is φ = 10258226472.
The previous prime is 30774679409. The next prime is 30774679451. The reversal of 30774679428 is 82497647703.
It is a tau number, because it is divible by the number of its divisors (12).
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, 1282278298 + ... + 1282278321.
Almost surely, 230774679428 is an apocalyptic number.
It is an amenable number.
30774679428 is an abundant number, since it is smaller than the sum of its proper divisors (41032905932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774679428 is a wasteful number, since it uses less digits than its factorization.
30774679428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2564556626 (or 2564556624 counting only the distinct ones).
The product of its (nonzero) digits is 14224896, while the sum is 57.
The spelling of 30774679428 in words is "thirty billion, seven hundred seventy-four million, six hundred seventy-nine thousand, four hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •