Base | Representation |
---|---|
bin | 11100100010100110… |
… | …101110001010101010 |
3 | 2221002201121221000100 |
4 | 130202212232022222 |
5 | 1000230202100421 |
6 | 22024524050230 |
7 | 2133264102642 |
oct | 344246561252 |
9 | 87081557010 |
10 | 30645346986 |
11 | 11aa6554851 |
12 | 5b33093976 |
13 | 2b74caa217 |
14 | 16aa037522 |
15 | be5602c26 |
hex | 7229ae2aa |
30645346986 has 12 divisors (see below), whose sum is σ = 66398251842. Its totient is φ = 10215115656.
The previous prime is 30645346913. The next prime is 30645346997. The reversal of 30645346986 is 68964354603.
It can be written as a sum of positive squares in only one way, i.e., 27160688025 + 3484658961 = 164805^2 + 59031^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851259621 + ... + 851259656.
Almost surely, 230645346986 is an apocalyptic number.
30645346986 is an abundant number, since it is smaller than the sum of its proper divisors (35752904856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30645346986 is a wasteful number, since it uses less digits than its factorization.
30645346986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1702519285 (or 1702519282 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 54.
The spelling of 30645346986 in words is "thirty billion, six hundred forty-five million, three hundred forty-six thousand, nine hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •