Base | Representation |
---|---|
bin | 11100011011111100… |
… | …100011111000010000 |
3 | 2220210221102012011220 |
4 | 130123330203320100 |
5 | 1000013102202004 |
6 | 22005453405040 |
7 | 2130436404555 |
oct | 343374437020 |
9 | 86727365156 |
10 | 30533631504 |
11 | 11a49491302 |
12 | 5b01799780 |
13 | 2b57ac409c |
14 | 1699276a2c |
15 | bda8d6dd9 |
hex | 71bf23e10 |
30533631504 has 40 divisors (see below), whose sum is σ = 78900456000. Its totient is φ = 10175050368.
The previous prime is 30533631497. The next prime is 30533631509. The reversal of 30533631504 is 40513633503.
It is a happy number.
It is a super-2 number, since 2×305336315042 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30533631509) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89997 + ... + 262995.
It is an arithmetic number, because the mean of its divisors is an integer number (1972511400).
Almost surely, 230533631504 is an apocalyptic number.
It is an amenable number.
30533631504 is an abundant number, since it is smaller than the sum of its proper divisors (48366824496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30533631504 is a wasteful number, since it uses less digits than its factorization.
30533631504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176687 (or 176681 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 33.
The spelling of 30533631504 in words is "thirty billion, five hundred thirty-three million, six hundred thirty-one thousand, five hundred four".
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