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12331332133 = 75116419883
BaseRepresentation
bin10110111110000000…
…10011001000100101
31011211101120120120221
423133000103020211
5200223310112013
65355343124341
7614403410431
oct133700231045
934741516527
1012331332133
11525879638a
1224818a36b1
1312169b2a43
1484da299c1
154c28bd08d
hex2df013225

12331332133 has 4 divisors (see below), whose sum is σ = 12347752768. Its totient is φ = 12314911500.

The previous prime is 12331332131. The next prime is 12331332163. The reversal of 12331332133 is 33123313321.

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: 33123313321 = 74731901903.

It is a cyclic number.

It is not a de Polignac number, because 12331332133 - 21 = 12331332131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331332098 and 12331332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331332131) 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, 8209191 + ... + 8210692.

It is an arithmetic number, because the mean of its divisors is an integer number (3086938192).

Almost surely, 212331332133 is an apocalyptic number.

It is an amenable number.

12331332133 is a deficient number, since it is larger than the sum of its proper divisors (16420635).

12331332133 is an equidigital number, since it uses as much as digits as its factorization.

12331332133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420634.

The product of its digits is 2916, while the sum is 25.

Adding to 12331332133 its reverse (33123313321), we get a palindrome (45454645454).

The spelling of 12331332133 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 751 16419883 12331332133