Base | Representation |
---|---|
bin | 11100011110001111… |
… | …001010000110010000 |
3 | 2220220121201121122020 |
4 | 130132033022012100 |
5 | 1000102421423242 |
6 | 22013345211440 |
7 | 2131414142250 |
oct | 343617120620 |
9 | 86817647566 |
10 | 30572061072 |
11 | 11a69149a83 |
12 | 5b12630b80 |
13 | 2b62a5ab87 |
14 | 16a03db960 |
15 | bdde786ec |
hex | 71e3ca190 |
30572061072 has 80 divisors (see below), whose sum is σ = 90949512192. Its totient is φ = 8668183680.
The previous prime is 30572061071. The next prime is 30572061083. The reversal of 30572061072 is 27016027503.
It is not an unprimeable number, because it can be changed into a prime (30572061071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303268 + ... + 391299.
Almost surely, 230572061072 is an apocalyptic number.
It is an amenable number.
30572061072 is an abundant number, since it is smaller than the sum of its proper divisors (60377451120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30572061072 is a wasteful number, since it uses less digits than its factorization.
30572061072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694716 (or 694710 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 33.
Adding to 30572061072 its reverse (27016027503), we get a palindrome (57588088575).
The spelling of 30572061072 in words is "thirty billion, five hundred seventy-two million, sixty-one thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •