Search a number
-
+
12183242569 = 47259217927
BaseRepresentation
bin10110101100010110…
…11000011101001001
31011110001220211220021
423112023120131021
5144422402230234
65332533100441
7610624565431
oct132613303511
934401824807
1012183242569
115192139513
122440187721
1311c2102594
148380bb2c1
154b48b99b4
hex2d62d8749

12183242569 has 4 divisors (see below), whose sum is σ = 12442460544. Its totient is φ = 11924024596.

The previous prime is 12183242563. The next prime is 12183242581. The reversal of 12183242569 is 96524238121.

12183242569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-12183242569 is a prime.

It is a super-2 number, since 2×121832425692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12183242563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129608917 + ... + 129609010.

It is an arithmetic number, because the mean of its divisors is an integer number (3110615136).

Almost surely, 212183242569 is an apocalyptic number.

It is an amenable number.

12183242569 is a deficient number, since it is larger than the sum of its proper divisors (259217975).

12183242569 is an equidigital number, since it uses as much as digits as its factorization.

12183242569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259217974.

The product of its digits is 207360, while the sum is 43.

The spelling of 12183242569 in words is "twelve billion, one hundred eighty-three million, two hundred forty-two thousand, five hundred sixty-nine".

Divisors: 1 47 259217927 12183242569