Base | Representation |
---|---|
bin | 101101110110… |
… | …100111100111 |
3 | 211121200121120 |
4 | 231312213213 |
5 | 11034121244 |
6 | 1105345023 |
7 | 204112212 |
oct | 55664747 |
9 | 24550546 |
10 | 12020199 |
11 | 686aa54 |
12 | 4038173 |
13 | 264b259 |
14 | 184c779 |
15 | 10c6819 |
hex | b769e7 |
12020199 has 8 divisors (see below), whose sum is σ = 16042992. Its totient is φ = 8005440.
The previous prime is 12020161. The next prime is 12020209. The reversal of 12020199 is 99102021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12020199 - 29 = 12019687 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12020119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 6659.
It is an arithmetic number, because the mean of its divisors is an integer number (2005374).
Almost surely, 212020199 is an apocalyptic number.
12020199 is a deficient number, since it is larger than the sum of its proper divisors (4022793).
12020199 is a wasteful number, since it uses less digits than its factorization.
12020199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4017.
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 12020199 is about 3467.0158638230. The cubic root of 12020199 is about 229.0712325200.
The spelling of 12020199 in words is "twelve million, twenty thousand, one hundred ninety-nine".
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