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12112330103 = 43997275299
BaseRepresentation
bin10110100011111001…
…10111110101110111
31011021010111010021122
423101330313311313
5144301224030403
65321521134155
7606104051516
oct132174676567
934233433248
1012112330103
115156104975
12242048a35b
1311b0504643
1482c8dc67d
154ad55d838
hex2d1f37d77

12112330103 has 4 divisors (see below), whose sum is σ = 12112649400. Its totient is φ = 12112010808.

The previous prime is 12112330093. The next prime is 12112330117. The reversal of 12112330103 is 30103321121.

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 12112330103 - 26 = 12112330039 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 (12112330123) 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, 93653 + ... + 181646.

It is an arithmetic number, because the mean of its divisors is an integer number (3028162350).

Almost surely, 212112330103 is an apocalyptic number.

12112330103 is a deficient number, since it is larger than the sum of its proper divisors (319297).

12112330103 is an equidigital number, since it uses as much as digits as its factorization.

12112330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319296.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12112330103 its reverse (30103321121), we get a palindrome (42215651224).

The spelling of 12112330103 in words is "twelve billion, one hundred twelve million, three hundred thirty thousand, one hundred three".

Divisors: 1 43997 275299 12112330103