Base | Representation |
---|---|
bin | 10110111010111110… |
… | …00011010100100000 |
3 | 1011202121121102010100 |
4 | 23131133003110200 |
5 | 200200243330032 |
6 | 5353032502400 |
7 | 613643623530 |
oct | 133537032440 |
9 | 34677542110 |
10 | 12305839392 |
11 | 5245364300 |
12 | 247524aa00 |
13 | 1211628492 |
14 | 84a4b14c0 |
15 | 4c053497c |
hex | 2dd7c3520 |
12305839392 has 432 divisors, whose sum is σ = 44735011776. Its totient is φ = 3140121600.
The previous prime is 12305839369. The next prime is 12305839393. The reversal of 12305839392 is 29393850321.
12305839392 is a `hidden beast` number, since 1 + 2 + 30 + 583 + 9 + 39 + 2 = 666.
12305839392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12305839393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14879683 + ... + 14880509.
It is an arithmetic number, because the mean of its divisors is an integer number (103553268).
Almost surely, 212305839392 is an apocalyptic number.
12305839392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12305839392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22367505888).
12305839392 is an abundant number, since it is smaller than the sum of its proper divisors (32429172384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12305839392 is a wasteful number, since it uses less digits than its factorization.
12305839392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 933 (or 911 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The spelling of 12305839392 in words is "twelve billion, three hundred five million, eight hundred thirty-nine thousand, three hundred ninety-two".
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