Search a number
-
+
12168315 = 325270407
BaseRepresentation
bin101110011010…
…110001111011
3211220012210100
4232122301323
511103341230
61112450443
7205300065
oct56326173
924805710
1012168315
116961265
1240a9a23
1326a07b3
14188a735
151105660
hexb9ac7b

12168315 has 12 divisors (see below), whose sum is σ = 21091824. Its totient is φ = 6489744.

The previous prime is 12168307. The next prime is 12168319. The reversal of 12168315 is 51386121.

12168315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12168315 - 23 = 12168307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12168319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135159 + ... + 135248.

It is an arithmetic number, because the mean of its divisors is an integer number (1757652).

Almost surely, 212168315 is an apocalyptic number.

12168315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12168315 is a deficient number, since it is larger than the sum of its proper divisors (8923509).

12168315 is a wasteful number, since it uses less digits than its factorization.

12168315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270418 (or 270415 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12168315 is about 3488.3111959801. The cubic root of 12168315 is about 230.0082857759.

The spelling of 12168315 in words is "twelve million, one hundred sixty-eight thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 45 270407 811221 1352035 2433663 4056105 12168315