Base | Representation |
---|---|
bin | 101110001111… |
… | …000010000111 |
3 | 211210202210021 |
4 | 232033002013 |
5 | 11100321244 |
6 | 1111440011 |
7 | 205006600 |
oct | 56170207 |
9 | 24722707 |
10 | 12120199 |
11 | 69290a3 |
12 | 4086007 |
13 | 2684920 |
14 | 1876da7 |
15 | 10e6284 |
hex | b8f087 |
12120199 has 24 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 9382464.
The previous prime is 12120181. The next prime is 12120223. The reversal of 12120199 is 99102121.
12120199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12120199 - 27 = 12120071 is a prime.
It is a zygodrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120179) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33582 + ... + 33940.
It is an arithmetic number, because the mean of its divisors is an integer number (646380).
Almost surely, 212120199 is an apocalyptic number.
12120199 is a deficient number, since it is larger than the sum of its proper divisors (3392921).
12120199 is a wasteful number, since it uses less digits than its factorization.
12120199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439 (or 432 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 25.
The square root of 12120199 is about 3481.4076176168. The cubic root of 12120199 is about 229.7047187394.
The spelling of 12120199 in words is "twelve million, one hundred twenty thousand, one hundred ninety-nine".
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