Base | Representation |
---|---|
bin | 101101110110… |
… | …100111100001 |
3 | 211121200121100 |
4 | 231312213201 |
5 | 11034121233 |
6 | 1105345013 |
7 | 204112203 |
oct | 55664741 |
9 | 24550540 |
10 | 12020193 |
11 | 686aa49 |
12 | 4038169 |
13 | 264b253 |
14 | 184c773 |
15 | 10c6813 |
hex | b769e1 |
12020193 has 12 divisors (see below), whose sum is σ = 17523220. Its totient is φ = 7939296.
The previous prime is 12020161. The next prime is 12020209. The reversal of 12020193 is 39102021.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 7144929 + 4875264 = 2673^2 + 2208^2 .
It is not a de Polignac number, because 12020193 - 25 = 12020161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12220193) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5146 + ... + 7107.
Almost surely, 212020193 is an apocalyptic number.
It is an amenable number.
12020193 is a deficient number, since it is larger than the sum of its proper divisors (5503027).
12020193 is a wasteful number, since it uses less digits than its factorization.
12020193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12368 (or 12365 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 12020193 is about 3467.0149985254. The cubic root of 12020193 is about 229.0711944057.
The spelling of 12020193 in words is "twelve million, twenty thousand, one hundred ninety-three".
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