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13030163 = 25151913
BaseRepresentation
bin110001101101…
…001100010011
3220112000000122
4301231030103
511313431123
61143140455
7215516546
oct61551423
926460018
1013030163
11739a833
12444472b
132912b73
141a3285d
151225bc8
hexc6d313

13030163 has 4 divisors (see below), whose sum is σ = 13082328. Its totient is φ = 12978000.

The previous prime is 13030159. The next prime is 13030183. The reversal of 13030163 is 36103031.

13030163 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.

It is a cyclic number.

It is not a de Polignac number, because 13030163 - 22 = 13030159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030123) 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, 25706 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (3270582).

Almost surely, 213030163 is an apocalyptic number.

13030163 is a deficient number, since it is larger than the sum of its proper divisors (52165).

13030163 is an equidigital number, since it uses as much as digits as its factorization.

13030163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52164.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 13030163 is about 3609.7317074819. The cubic root of 13030163 is about 235.3151829412.

Adding to 13030163 its reverse (36103031), we get a palindrome (49133194).

The spelling of 13030163 in words is "thirteen million, thirty thousand, one hundred sixty-three".

Divisors: 1 251 51913 13030163