Base | Representation |
---|---|
bin | 101110100000… |
… | …111101111100 |
3 | 211221111120001 |
4 | 232200331330 |
5 | 11110144120 |
6 | 1113204044 |
7 | 205434013 |
oct | 56407574 |
9 | 24844501 |
10 | 12193660 |
11 | 6979306 |
12 | 4100624 |
13 | 26ac1ab |
14 | 1895a7a |
15 | 110ce0a |
hex | ba0f7c |
12193660 has 12 divisors (see below), whose sum is σ = 25606728. Its totient is φ = 4877456.
The previous prime is 12193619. The next prime is 12193661. The reversal of 12193660 is 6639121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12193661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304822 + ... + 304861.
It is an arithmetic number, because the mean of its divisors is an integer number (2133894).
Almost surely, 212193660 is an apocalyptic number.
12193660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12193660 is an abundant number, since it is smaller than the sum of its proper divisors (13413068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12193660 is a wasteful number, since it uses less digits than its factorization.
12193660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 609692 (or 609690 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 12193660 is about 3491.9421530146. The cubic root of 12193660 is about 230.1678673689.
The spelling of 12193660 in words is "twelve million, one hundred ninety-three thousand, six hundred sixty".
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