Base | Representation |
---|---|
bin | 11100100010000011… |
… | …100100100100001100 |
3 | 2221002002021210021112 |
4 | 130202003210210030 |
5 | 1000220322220440 |
6 | 22023554351152 |
7 | 2133122554622 |
oct | 344203444414 |
9 | 87062253245 |
10 | 30636132620 |
11 | 11aa1330975 |
12 | 5b2bb8b4b8 |
13 | 2b73102132 |
14 | 16a8b19512 |
15 | be48d2965 |
hex | 7220e490c |
30636132620 has 24 divisors (see below), whose sum is σ = 64341146688. Its totient is φ = 12253449600.
The previous prime is 30636132619. The next prime is 30636132647. The reversal of 30636132620 is 2623163603.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218360 + ... + 330080.
It is an arithmetic number, because the mean of its divisors is an integer number (2680881112).
Almost surely, 230636132620 is an apocalyptic number.
It is an amenable number.
30636132620 is an abundant number, since it is smaller than the sum of its proper divisors (33705014068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30636132620 is a wasteful number, since it uses less digits than its factorization.
30636132620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125441 (or 125439 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 32.
The spelling of 30636132620 in words is "thirty billion, six hundred thirty-six million, one hundred thirty-two thousand, six hundred twenty".
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