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13000259 = 61213119
BaseRepresentation
bin110001100101…
…111001000011
3220110111000002
4301211321003
511312002014
61142350215
7215333426
oct61457103
926414002
1013000259
11737a318
12442b36b
13290237c
141a259bd
15121bdde
hexc65e43

13000259 has 4 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 12787080.

The previous prime is 13000249. The next prime is 13000261. The reversal of 13000259 is 95200031.

13000259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95200031 = 531796227.

It is a cyclic number.

It is not a de Polignac number, because 13000259 - 24 = 13000243 is a prime.

It is a Duffinian number.

13000259 is a modest number, since divided by 259 gives 13 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13000259.

It is not an unprimeable number, because it can be changed into a prime (13000219) 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, 106499 + ... + 106620.

It is an arithmetic number, because the mean of its divisors is an integer number (3303360).

Almost surely, 213000259 is an apocalyptic number.

13000259 is a deficient number, since it is larger than the sum of its proper divisors (213181).

13000259 is an equidigital number, since it uses as much as digits as its factorization.

13000259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213180.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13000259 is about 3605.5871921228. The cubic root of 13000259 is about 235.1350302891.

The spelling of 13000259 in words is "thirteen million, two hundred fifty-nine", and thus it is an aban number.

Divisors: 1 61 213119 13000259