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13130153 = 37354869
BaseRepresentation
bin110010000101…
…100110101001
3220201002011222
4302011212221
511330131103
61145231425
7216414221
oct62054651
926632158
1013130153
117458973
124492575
13294952a
141a5b081
151245638
hexc859a9

13130153 has 4 divisors (see below), whose sum is σ = 13485060. Its totient is φ = 12775248.

The previous prime is 13130147. The next prime is 13130177. The reversal of 13130153 is 35103131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 4439449 = 2948^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130153 - 214 = 13113769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 177398 + ... + 177471.

It is an arithmetic number, because the mean of its divisors is an integer number (3371265).

Almost surely, 213130153 is an apocalyptic number.

It is an amenable number.

13130153 is a deficient number, since it is larger than the sum of its proper divisors (354907).

13130153 is an equidigital number, since it uses as much as digits as its factorization.

13130153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354906.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 13130153 is about 3623.5552983224. Note that the first 3 decimals coincide. The cubic root of 13130153 is about 235.9155651698.

Adding to 13130153 its reverse (35103131), we get a palindrome (48233284).

The spelling of 13130153 in words is "thirteen million, one hundred thirty thousand, one hundred fifty-three".

Divisors: 1 37 354869 13130153