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13315163 = 32174139
BaseRepresentation
bin110010110010…
…110001011011
3221001110222012
4302302301123
511402041123
61153220135
7221114501
oct62626133
927043865
1013315163
117574974
12456164b
1329b27c4
141aa8671
151280378
hexcb2c5b

13315163 has 4 divisors (see below), whose sum is σ = 13322520. Its totient is φ = 13307808.

The previous prime is 13315123. The next prime is 13315177. The reversal of 13315163 is 36151331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13315163 - 210 = 13314139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13315103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (3330630).

Almost surely, 213315163 is an apocalyptic number.

13315163 is a deficient number, since it is larger than the sum of its proper divisors (7357).

13315163 is an equidigital number, since it uses as much as digits as its factorization.

13315163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its digits is 810, while the sum is 23.

The square root of 13315163 is about 3648.9947930903. The cubic root of 13315163 is about 237.0184547695.

Adding to 13315163 its reverse (36151331), we get a palindrome (49466494).

The spelling of 13315163 in words is "thirteen million, three hundred fifteen thousand, one hundred sixty-three".

Divisors: 1 3217 4139 13315163