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13112099 = 7111313099
BaseRepresentation
bin110010000001…
…001100100011
3220200011102022
4302001030203
511324041344
61145012055
7216310460
oct62011443
926604368
1013112099
117446350
12448402b
132941250
141a54667
1512400ee
hexc81323

13112099 has 16 divisors (see below), whose sum is σ = 17606400. Its totient is φ = 9430560.

The previous prime is 13112081. The next prime is 13112111. The reversal of 13112099 is 99021131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13112099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13114099) 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, 5549 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (1100400).

Almost surely, 213112099 is an apocalyptic number.

13112099 is a deficient number, since it is larger than the sum of its proper divisors (4494301).

13112099 is a wasteful number, since it uses less digits than its factorization.

13112099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 13112099 is about 3621.0632416460. The cubic root of 13112099 is about 235.8073873684.

The spelling of 13112099 in words is "thirteen million, one hundred twelve thousand, ninety-nine".

Divisors: 1 7 11 13 77 91 143 1001 13099 91693 144089 170287 1008623 1192009 1873157 13112099