Base | Representation |
---|---|
bin | 110000000111… |
… | …000100110101 |
3 | 212201202021011 |
4 | 300013010311 |
5 | 11212040033 |
6 | 1130152221 |
7 | 212125240 |
oct | 60070465 |
9 | 25652234 |
10 | 12611893 |
11 | 7134558 |
12 | 4282671 |
13 | 27c7678 |
14 | 1964257 |
15 | 1191ccd |
hex | c07135 |
12611893 has 8 divisors (see below), whose sum is σ = 14478912. Its totient is φ = 10761216.
The previous prime is 12611891. The next prime is 12611903. The reversal of 12611893 is 39811621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12611893 - 21 = 12611891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12611891) 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, 2380 + ... + 5557.
It is an arithmetic number, because the mean of its divisors is an integer number (1809864).
Almost surely, 212611893 is an apocalyptic number.
It is an amenable number.
12611893 is a deficient number, since it is larger than the sum of its proper divisors (1867019).
12611893 is an equidigital number, since it uses as much as digits as its factorization.
12611893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8171.
The product of its digits is 2592, while the sum is 31.
The square root of 12611893 is about 3551.3227113288. The cubic root of 12611893 is about 232.7698673914.
The spelling of 12611893 in words is "twelve million, six hundred eleven thousand, eight hundred ninety-three".
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