Base | Representation |
---|---|
bin | 11100101110001011… |
… | …110011000100111000 |
3 | 2221121021011210201121 |
4 | 130232023303010320 |
5 | 1001124420201200 |
6 | 22100103555024 |
7 | 2141143260220 |
oct | 345613630470 |
9 | 87537153647 |
10 | 30839615800 |
11 | 12096182894 |
12 | 5b8815ba74 |
13 | 2ba6308996 |
14 | 16c7b67080 |
15 | c076c8e1a |
hex | 72e2f3138 |
30839615800 has 48 divisors (see below), whose sum is σ = 81945268560. Its totient is φ = 10573582080.
The previous prime is 30839615797. The next prime is 30839615801. The reversal of 30839615800 is 851693803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30839615801) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11012749 + ... + 11015548.
It is an arithmetic number, because the mean of its divisors is an integer number (1707193095).
Almost surely, 230839615800 is an apocalyptic number.
It is an amenable number.
30839615800 is an abundant number, since it is smaller than the sum of its proper divisors (51105652760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30839615800 is a wasteful number, since it uses less digits than its factorization.
30839615800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22028320 (or 22028311 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The spelling of 30839615800 in words is "thirty billion, eight hundred thirty-nine million, six hundred fifteen thousand, eight hundred".
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