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12220023013 = 111110911183
BaseRepresentation
bin10110110000101111…
…01100000011100101
31011112122010111011221
423120113230003211
5200011311214023
65340325300341
7611552324152
oct133027540345
934478114157
1012220023013
115200980180
1224505646b1
1311c990c863
1483cd33229
154b7c3285d
hex2d85ec0e5

12220023013 has 4 divisors (see below), whose sum is σ = 13330934208. Its totient is φ = 11109111820.

The previous prime is 12220023007. The next prime is 12220023031. The reversal of 12220023013 is 31032002221.

12220023013 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 not a de Polignac number, because 12220023013 - 229 = 11683152101 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 (12220023713) 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, 555455581 + ... + 555455602.

It is an arithmetic number, because the mean of its divisors is an integer number (3332733552).

Almost surely, 212220023013 is an apocalyptic number.

It is an amenable number.

12220023013 is a deficient number, since it is larger than the sum of its proper divisors (1110911195).

12220023013 is a wasteful number, since it uses less digits than its factorization.

12220023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110911194.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220023013 its reverse (31032002221), we get a palindrome (43252025234).

The spelling of 12220023013 in words is "twelve billion, two hundred twenty million, twenty-three thousand, thirteen".

Divisors: 1 11 1110911183 12220023013