Search a number
-
+
13052129 = 101129229
BaseRepresentation
bin110001110010…
…100011100001
3220120010011012
4301302203201
511320132004
61143430305
7215640566
oct61624341
926503135
1013052129
117405292
124455395
13291cb6c
141a3a86d
15122c46e
hexc728e1

13052129 has 4 divisors (see below), whose sum is σ = 13181460. Its totient is φ = 12922800.

The previous prime is 13052119. The next prime is 13052131. The reversal of 13052129 is 92125031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92125031 = 94139787.

It can be written as a sum of positive squares in 2 ways, for example, as 7980625 + 5071504 = 2825^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 13052129 - 24 = 13052113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13052119) 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, 64514 + ... + 64715.

It is an arithmetic number, because the mean of its divisors is an integer number (3295365).

Almost surely, 213052129 is an apocalyptic number.

It is an amenable number.

13052129 is a deficient number, since it is larger than the sum of its proper divisors (129331).

13052129 is a wasteful number, since it uses less digits than its factorization.

13052129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129330.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13052129 is about 3612.7730346646. The cubic root of 13052129 is about 235.4473386547.

The spelling of 13052129 in words is "thirteen million, fifty-two thousand, one hundred twenty-nine".

Divisors: 1 101 129229 13052129