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13100680 = 235327517
BaseRepresentation
bin110001111110…
…011010001000
3220122120202101
4301332122020
511323210210
61144443144
7216232255
oct61763210
926576671
1013100680
11743880a
1244794b4
132938ca8
141a5042c
15123ba3a
hexc7e688

13100680 has 16 divisors (see below), whose sum is σ = 29476620. Its totient is φ = 5240256.

The previous prime is 13100677. The next prime is 13100683. The reversal of 13100680 is 8600131.

13100680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13100677) and next prime (13100683).

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 611524 = 3534^2 + 782^2 .

It is not an unprimeable number, because it can be changed into a prime (13100683) 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, 163719 + ... + 163798.

Almost surely, 213100680 is an apocalyptic number.

13100680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100680 is an abundant number, since it is smaller than the sum of its proper divisors (16375940).

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

13100680 is a wasteful number, since it uses less digits than its factorization.

13100680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327528 (or 327524 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13100680 is about 3619.4861513756. The cubic root of 13100680 is about 235.7389145633.

The spelling of 13100680 in words is "thirteen million, one hundred thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 327517 655034 1310068 1637585 2620136 3275170 6550340 13100680