Base | Representation |
---|---|
bin | 11100001010011011… |
… | …110000000001001100 |
3 | 2220001110112220120000 |
4 | 130022123300001030 |
5 | 443412343132204 |
6 | 21520400124300 |
7 | 2120241132060 |
oct | 341233600114 |
9 | 86043486500 |
10 | 30239817804 |
11 | 11908652769 |
12 | 5a3b306690 |
13 | 2b0bc81021 |
14 | 166c233aa0 |
15 | bbebeb039 |
hex | 70a6f004c |
30239817804 has 120 divisors (see below), whose sum is σ = 95660722080. Its totient is φ = 8131705344.
The previous prime is 30239817781. The next prime is 30239817823. The reversal of 30239817804 is 40871893203.
It is a self number, because there is not a number n which added to its sum of digits gives 30239817804.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 353599 + ... + 430710.
It is an arithmetic number, because the mean of its divisors is an integer number (797172684).
Almost surely, 230239817804 is an apocalyptic number.
30239817804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30239817804 is an abundant number, since it is smaller than the sum of its proper divisors (65420904276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30239817804 is a wasteful number, since it uses less digits than its factorization.
30239817804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784349 (or 784338 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 30239817804 in words is "thirty billion, two hundred thirty-nine million, eight hundred seventeen thousand, eight hundred four".
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