Base | Representation |
---|---|
bin | 101110111100… |
… | …001011100000 |
3 | 212011011110012 |
4 | 232330023200 |
5 | 11122230440 |
6 | 1115424052 |
7 | 206406662 |
oct | 56741340 |
9 | 25134405 |
10 | 12305120 |
11 | 6a45023 |
12 | 4155028 |
13 | 271ab49 |
14 | 18c4532 |
15 | 1130e65 |
hex | bbc2e0 |
12305120 has 24 divisors (see below), whose sum is σ = 29071224. Its totient is φ = 4921984.
The previous prime is 12305113. The next prime is 12305149. The reversal of 12305120 is 2150321.
It is a happy number.
12305120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12305095 and 12305104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38294 + ... + 38613.
It is an arithmetic number, because the mean of its divisors is an integer number (1211301).
Almost surely, 212305120 is an apocalyptic number.
12305120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12305120 is an abundant number, since it is smaller than the sum of its proper divisors (16766104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12305120 is an equidigital number, since it uses as much as digits as its factorization.
12305120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76922 (or 76914 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 12305120 is about 3507.8654478187. The cubic root of 12305120 is about 230.8670486738.
Adding to 12305120 its reverse (2150321), we get a palindrome (14455441).
The spelling of 12305120 in words is "twelve million, three hundred five thousand, one hundred twenty".
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