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12105164 = 226194889
BaseRepresentation
bin101110001011…
…010111001100
3211210000011102
4232023113030
511044331124
61111242232
7204615011
oct56132714
924700142
1012105164
116918875
124079378
13267ab26
141871708
1510e1aae
hexb8b5cc

12105164 has 12 divisors (see below), whose sum is σ = 21222600. Its totient is φ = 6041568.

The previous prime is 12105143. The next prime is 12105167. The reversal of 12105164 is 46150121.

It is not an unprimeable number, because it can be changed into a prime (12105167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (1768550).

Almost surely, 212105164 is an apocalyptic number.

It is an amenable number.

12105164 is a deficient number, since it is larger than the sum of its proper divisors (9117436).

12105164 is a wasteful number, since it uses less digits than its factorization.

12105164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5510 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12105164 is about 3479.2476198167. The cubic root of 12105164 is about 229.6096972113.

Adding to 12105164 its reverse (46150121), we get a palindrome (58255285).

The spelling of 12105164 in words is "twelve million, one hundred five thousand, one hundred sixty-four".

Divisors: 1 2 4 619 1238 2476 4889 9778 19556 3026291 6052582 12105164