Base | Representation |
---|---|
bin | 110010000011… |
… | …011010101000 |
3 | 220200121220002 |
4 | 302003122220 |
5 | 11324334232 |
6 | 1145122132 |
7 | 216346130 |
oct | 62033250 |
9 | 26617802 |
10 | 13121192 |
11 | 7452167 |
12 | 4489348 |
13 | 2945426 |
14 | 1a57ac0 |
15 | 1242b62 |
hex | c836a8 |
13121192 has 32 divisors (see below), whose sum is σ = 28776000. Its totient is φ = 5491584.
The previous prime is 13121159. The next prime is 13121203. The reversal of 13121192 is 29112131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 5132.
It is an arithmetic number, because the mean of its divisors is an integer number (899250).
Almost surely, 213121192 is an apocalyptic number.
It is an amenable number.
13121192 is an abundant number, since it is smaller than the sum of its proper divisors (15654808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13121192 is a wasteful number, since it uses less digits than its factorization.
13121192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5505 (or 5501 counting only the distinct ones).
The product of its digits is 108, while the sum is 20.
The square root of 13121192 is about 3622.3185944917. The cubic root of 13121192 is about 235.8618841379.
The spelling of 13121192 in words is "thirteen million, one hundred twenty-one thousand, one hundred ninety-two".
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