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13118045 = 59532753
BaseRepresentation
bin110010000010…
…101001011101
3220200110120112
4302002221131
511324234140
61145055405
7216334013
oct62025135
926613515
1013118045
11744a866
124487565
132943b75
141a568b3
151241c65
hexc82a5d

13118045 has 8 divisors (see below), whose sum is σ = 15763896. Its totient is φ = 10479616.

The previous prime is 13118023. The next prime is 13118059. The reversal of 13118045 is 54081131.

13118045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 9665881 = 1858^2 + 3109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13118045 - 214 = 13101661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13118045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 6141.

It is an arithmetic number, because the mean of its divisors is an integer number (1970487).

Almost surely, 213118045 is an apocalyptic number.

It is an amenable number.

13118045 is a deficient number, since it is larger than the sum of its proper divisors (2645851).

13118045 is an equidigital number, since it uses as much as digits as its factorization.

13118045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 13118045 is about 3621.8841781592. The cubic root of 13118045 is about 235.8430261790.

Adding to 13118045 its reverse (54081131), we get a palindrome (67199176).

The spelling of 13118045 in words is "thirteen million, one hundred eighteen thousand, forty-five".

Divisors: 1 5 953 2753 4765 13765 2623609 13118045