Base | Representation |
---|---|
bin | 11100101111101010… |
… | …110000011011010000 |
3 | 2221200000000111021001 |
4 | 130233222300123100 |
5 | 1001202303233444 |
6 | 22102353311344 |
7 | 2141564665105 |
oct | 345752603320 |
9 | 87600014231 |
10 | 30864508624 |
11 | 120a9235174 |
12 | 5b94565554 |
13 | 2bab513171 |
14 | 16cb1a6aac |
15 | c099948d4 |
hex | 72fab06d0 |
30864508624 has 40 divisors (see below), whose sum is σ = 60670565000. Its totient is φ = 15207948288.
The previous prime is 30864508603. The next prime is 30864508643. The reversal of 30864508624 is 42680546803.
It can be written as a sum of positive squares in 4 ways, for example, as 155451024 + 30709057600 = 12468^2 + 175240^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448254 + ... + 1469410.
It is an arithmetic number, because the mean of its divisors is an integer number (1516764125).
Almost surely, 230864508624 is an apocalyptic number.
It is an amenable number.
30864508624 is a deficient number, since it is larger than the sum of its proper divisors (29806056376).
30864508624 is a wasteful number, since it uses less digits than its factorization.
30864508624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22487 (or 22481 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 46.
The spelling of 30864508624 in words is "thirty billion, eight hundred sixty-four million, five hundred eight thousand, six hundred twenty-four".
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