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11513112 = 2331336901
BaseRepresentation
bin101011111010…
…110100011000
3210122221000120
4223322310120
510421404422
61050433240
7166600632
oct53726430
923587016
1011513112
116553a76
123a32820
1325014c0
141759a52
15102645c
hexafad18

11513112 has 32 divisors (see below), whose sum is σ = 30997680. Its totient is φ = 3542400.

The previous prime is 11513077. The next prime is 11513141. The reversal of 11513112 is 21131511.

It is a junction number, because it is equal to n+sod(n) for n = 11513091 and 11513100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18139 + ... + 18762.

Almost surely, 211513112 is an apocalyptic number.

11513112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11513112 is an abundant number, since it is smaller than the sum of its proper divisors (19484568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11513112 is a wasteful number, since it uses less digits than its factorization.

11513112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36923 (or 36919 counting only the distinct ones).

The product of its digits is 30, while the sum is 15.

The square root of 11513112 is about 3393.0976997428. The cubic root of 11513112 is about 225.8036250671.

Adding to 11513112 its reverse (21131511), we get a palindrome (32644623).

The spelling of 11513112 in words is "eleven million, five hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 36901 73802 110703 147604 221406 295208 442812 479713 885624 959426 1439139 1918852 2878278 3837704 5756556 11513112