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13130353 = 79166207
BaseRepresentation
bin110010000101…
…101001110001
3220201002110101
4302011221301
511330132403
61145232401
7216414625
oct62055161
926632411
1013130353
117459035
124492701
132949652
141a5b185
15124571d
hexc85a71

13130353 has 4 divisors (see below), whose sum is σ = 13296640. Its totient is φ = 12964068.

The previous prime is 13130339. The next prime is 13130363. The reversal of 13130353 is 35303131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13130353 - 25 = 13130321 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 13130353.

It is not an unprimeable number, because it can be changed into a prime (13130363) 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, 83025 + ... + 83182.

It is an arithmetic number, because the mean of its divisors is an integer number (3324160).

Almost surely, 213130353 is an apocalyptic number.

It is an amenable number.

13130353 is a deficient number, since it is larger than the sum of its proper divisors (166287).

13130353 is an equidigital number, since it uses as much as digits as its factorization.

13130353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166286.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 13130353 is about 3623.5828954227. The cubic root of 13130353 is about 235.9167629948.

Adding to 13130353 its reverse (35303131), we get a palindrome (48433484).

The spelling of 13130353 in words is "thirteen million, one hundred thirty thousand, three hundred fifty-three".

Divisors: 1 79 166207 13130353