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13112768 = 26204887
BaseRepresentation
bin110010000001…
…010111000000
3220200012100002
4302001113000
511324102033
61145015132
7216312434
oct62012700
926605302
1013112768
1174468a9
1244844a8
132941646
141a549c4
1512403e8
hexc815c0

13112768 has 14 divisors (see below), whose sum is σ = 26020776. Its totient is φ = 6556352.

The previous prime is 13112767. The next prime is 13112773. The reversal of 13112768 is 86721131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102380 + ... + 102507.

Almost surely, 213112768 is an apocalyptic number.

It is an amenable number.

13112768 is a deficient number, since it is larger than the sum of its proper divisors (12908008).

13112768 is an equidigital number, since it uses as much as digits as its factorization.

13112768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204899 (or 204889 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 13112768 is about 3621.1556166506. The cubic root of 13112768 is about 235.8113977220.

Adding to 13112768 its reverse (86721131), we get a palindrome (99833899).

The spelling of 13112768 in words is "thirteen million, one hundred twelve thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 204887 409774 819548 1639096 3278192 6556384 13112768