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12105119 = 13931163
BaseRepresentation
bin101110001011…
…010110011111
3211210000002202
4232023112133
511044330434
61111242115
7204614615
oct56132637
924700082
1012105119
116918834
12407933b
13267aac0
1418716b5
1510e1a7e
hexb8b59f

12105119 has 4 divisors (see below), whose sum is σ = 13036296. Its totient is φ = 11173944.

The previous prime is 12105113. The next prime is 12105131. The reversal of 12105119 is 91150121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91150121 = 791153799.

It is a cyclic number.

It is not a de Polignac number, because 12105119 - 28 = 12104863 is a prime.

It is a super-2 number, since 2×121051192 = 293067812008322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12105119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105113) 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, 465569 + ... + 465594.

It is an arithmetic number, because the mean of its divisors is an integer number (3259074).

Almost surely, 212105119 is an apocalyptic number.

12105119 is a deficient number, since it is larger than the sum of its proper divisors (931177).

12105119 is an equidigital number, since it uses as much as digits as its factorization.

12105119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931176.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 12105119 is about 3479.2411528953. The cubic root of 12105119 is about 229.6094126923.

The spelling of 12105119 in words is "twelve million, one hundred five thousand, one hundred nineteen".

Divisors: 1 13 931163 12105119