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12044204413 = 31388522723
BaseRepresentation
bin10110011011110001…
…11111100101111101
31011002101021222101221
423031320333211331
5144131304020123
65311045033341
7604316022403
oct131570774575
934071258357
1012044204413
11512070404a
1224016b5851
13119c370c97
14823847473
154a75a325d
hex2cde3f97d

12044204413 has 4 divisors (see below), whose sum is σ = 12432727168. Its totient is φ = 11655681660.

The previous prime is 12044204407. The next prime is 12044204453. The reversal of 12044204413 is 31440244021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31440244021 = 46767323863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12044204413 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 (12044204453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194261331 + ... + 194261392.

It is an arithmetic number, because the mean of its divisors is an integer number (3108181792).

Almost surely, 212044204413 is an apocalyptic number.

It is an amenable number.

12044204413 is a deficient number, since it is larger than the sum of its proper divisors (388522755).

12044204413 is an equidigital number, since it uses as much as digits as its factorization.

12044204413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388522754.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12044204413 its reverse (31440244021), we get a palindrome (43484448434).

The spelling of 12044204413 in words is "twelve billion, forty-four million, two hundred four thousand, four hundred thirteen".

Divisors: 1 31 388522723 12044204413