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13110293 = 72267557
BaseRepresentation
bin110010000000…
…110000010101
3220200001221102
4302000300111
511324012133
61144555445
7216302300
oct62006025
926601842
1013110293
117444a59
124482b85
132940491
141a53b37
15123e7e8
hexc80c15

13110293 has 6 divisors (see below), whose sum is σ = 15250806. Its totient is φ = 11237352.

The previous prime is 13110277. The next prime is 13110301. The reversal of 13110293 is 39201131.

It can be written as a sum of positive squares in only one way, i.e., 9102289 + 4008004 = 3017^2 + 2002^2 .

It is not a de Polignac number, because 13110293 - 24 = 13110277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133730 + ... + 133827.

It is an arithmetic number, because the mean of its divisors is an integer number (2541801).

Almost surely, 213110293 is an apocalyptic number.

It is an amenable number.

13110293 is a deficient number, since it is larger than the sum of its proper divisors (2140513).

13110293 is an equidigital number, since it uses as much as digits as its factorization.

13110293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267571 (or 267564 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13110293 is about 3620.8138587892. The cubic root of 13110293 is about 235.7965605309.

The spelling of 13110293 in words is "thirteen million, one hundred ten thousand, two hundred ninety-three".

Divisors: 1 7 49 267557 1872899 13110293