Base | Representation |
---|---|
bin | 11011111100001100… |
… | …110110100100110000 |
3 | 2212102211020022021210 |
4 | 123330030312210300 |
5 | 442420231001342 |
6 | 21440550120120 |
7 | 2111311363026 |
oct | 337414664460 |
9 | 85384208253 |
10 | 30001031472 |
11 | 117a5888a95 |
12 | 5993350040 |
13 | 2aa1666739 |
14 | 1648636716 |
15 | ba8c7e79c |
hex | 6fc336930 |
30001031472 has 20 divisors (see below), whose sum is σ = 77502664760. Its totient is φ = 10000343808.
The previous prime is 30001031453. The next prime is 30001031519. The reversal of 30001031472 is 27413010003.
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, 312510697 + ... + 312510792.
It is an arithmetic number, because the mean of its divisors is an integer number (3875133238).
Almost surely, 230001031472 is an apocalyptic number.
It is an amenable number.
30001031472 is an abundant number, since it is smaller than the sum of its proper divisors (47501633288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001031472 is a wasteful number, since it uses less digits than its factorization.
30001031472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 625021500 (or 625021494 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
Adding to 30001031472 its reverse (27413010003), we get a palindrome (57414041475).
The spelling of 30001031472 in words is "thirty billion, one million, thirty-one thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •