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13242112423 = 67197643469
BaseRepresentation
bin11000101010100101…
…01001100110100111
31021011212101000021021
430111102221212213
5204104440044143
610030000232011
7646103045521
oct142522514647
937155330237
1013242112423
115685911071
12269690b607
1313305b21a7
148d8990a11
15527828ced
hex3154a99a7

13242112423 has 4 divisors (see below), whose sum is σ = 13439755960. Its totient is φ = 13044468888.

The previous prime is 13242112421. The next prime is 13242112441. The reversal of 13242112423 is 32421124231.

13242112423 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.

It is a cyclic number.

It is not a de Polignac number, because 13242112423 - 21 = 13242112421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242112421) 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, 98821668 + ... + 98821801.

It is an arithmetic number, because the mean of its divisors is an integer number (3359938990).

Almost surely, 213242112423 is an apocalyptic number.

13242112423 is a deficient number, since it is larger than the sum of its proper divisors (197643537).

13242112423 is an equidigital number, since it uses as much as digits as its factorization.

13242112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197643536.

The product of its digits is 2304, while the sum is 25.

Adding to 13242112423 its reverse (32421124231), we get a palindrome (45663236654).

The spelling of 13242112423 in words is "thirteen billion, two hundred forty-two million, one hundred twelve thousand, four hundred twenty-three".

Divisors: 1 67 197643469 13242112423