Search a number
-
+
13156159 = 101130259
BaseRepresentation
bin110010001011…
…111100111111
3220202101212011
4302023330333
511331444114
61145552051
7216553102
oct62137477
926671764
1013156159
117476465
1244a5627
132958313
141a66739
15124d1c4
hexc8bf3f

13156159 has 4 divisors (see below), whose sum is σ = 13286520. Its totient is φ = 13025800.

The previous prime is 13156153. The next prime is 13156163. The reversal of 13156159 is 95165131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95165131 = 295732183.

It is a cyclic number.

It is not a de Polignac number, because 13156159 - 215 = 13123391 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 13156159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156153) 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, 65029 + ... + 65230.

It is an arithmetic number, because the mean of its divisors is an integer number (3321630).

Almost surely, 213156159 is an apocalyptic number.

13156159 is a deficient number, since it is larger than the sum of its proper divisors (130361).

13156159 is a wasteful number, since it uses less digits than its factorization.

13156159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130360.

The product of its digits is 4050, while the sum is 31.

The square root of 13156159 is about 3627.1419878466. The cubic root of 13156159 is about 236.0712164178.

The spelling of 13156159 in words is "thirteen million, one hundred fifty-six thousand, one hundred fifty-nine".

Divisors: 1 101 130259 13156159