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11512868 = 2225111467
BaseRepresentation
bin101011111010…
…110000100100
3210122220200112
4223322300210
510421402433
61050432152
7166600133
oct53726044
923586615
1011512868
116553874
123a32658
132501363
14175991a
151026348
hexafac24

11512868 has 12 divisors (see below), whose sum is σ = 20229552. Its totient is φ = 5733000.

The previous prime is 11512861. The next prime is 11512901. The reversal of 11512868 is 86821511.

11512868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×115128682 = 265092259170848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11512861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (1685796).

Almost surely, 211512868 is an apocalyptic number.

It is an amenable number.

11512868 is a deficient number, since it is larger than the sum of its proper divisors (8716684).

11512868 is a wasteful number, since it uses less digits than its factorization.

11512868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722 (or 11720 counting only the distinct ones).

The product of its digits is 3840, while the sum is 32.

The square root of 11512868 is about 3393.0617442068. The cubic root of 11512868 is about 225.8020298866.

The spelling of 11512868 in words is "eleven million, five hundred twelve thousand, eight hundred sixty-eight".

Divisors: 1 2 4 251 502 1004 11467 22934 45868 2878217 5756434 11512868