Search a number
-
+
13112133 = 361137523
BaseRepresentation
bin110010000001…
…001101000101
3220200011110120
4302001031011
511324042013
61145012153
7216310536
oct62011505
926604416
1013112133
117446381
124484059
132941278
141a5468d
151240123
hexc81345

13112133 has 16 divisors (see below), whose sum is σ = 17933376. Its totient is φ = 8519040.

The previous prime is 13112129. The next prime is 13112153. The reversal of 13112133 is 33121131.

It is not a de Polignac number, because 13112133 - 22 = 13112129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24810 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (1120836).

Almost surely, 213112133 is an apocalyptic number.

It is an amenable number.

13112133 is a deficient number, since it is larger than the sum of its proper divisors (4821243).

13112133 is a wasteful number, since it uses less digits than its factorization.

13112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its digits is 54, while the sum is 15.

The square root of 13112133 is about 3621.0679363967. The cubic root of 13112133 is about 235.8075911864.

Adding to 13112133 its reverse (33121131), we get a palindrome (46233264).

The spelling of 13112133 in words is "thirteen million, one hundred twelve thousand, one hundred thirty-three".

Divisors: 1 3 61 137 183 411 523 1569 8357 25071 31903 71651 95709 214953 4370711 13112133