Base | Representation |
---|---|
bin | 110001101011… |
… | …000001101100 |
3 | 220111112212002 |
4 | 301223001230 |
5 | 11313140132 |
6 | 1143031432 |
7 | 215451644 |
oct | 61530154 |
9 | 26445762 |
10 | 13021292 |
11 | 73940a9 |
12 | 443b578 |
13 | 290bb0b |
14 | 1a2d524 |
15 | 1223262 |
hex | c6b06c |
13021292 has 12 divisors (see below), whose sum is σ = 22813056. Its totient is φ = 6503280.
The previous prime is 13021277. The next prime is 13021331. The reversal of 13021292 is 29212031.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 6990.
It is an arithmetic number, because the mean of its divisors is an integer number (1901088).
Almost surely, 213021292 is an apocalyptic number.
It is an amenable number.
13021292 is a deficient number, since it is larger than the sum of its proper divisors (9791764).
13021292 is a wasteful number, since it uses less digits than its factorization.
13021292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3688 (or 3686 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 13021292 is about 3608.5027365931. The cubic root of 13021292 is about 235.2617695677.
The spelling of 13021292 in words is "thirteen million, twenty-one thousand, two hundred ninety-two".
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