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12111330313 = 47257687879
BaseRepresentation
bin10110100011110010…
…00011110000001001
31011021001121022211101
423101321003300021
5144301000032223
65321443501401
7606062415625
oct132171036011
934231538741
1012111330313
1151555917a5
122420087861
1311b0244554
1482c71c185
154ad4124ad
hex2d1e43c09

12111330313 has 4 divisors (see below), whose sum is σ = 12369018240. Its totient is φ = 11853642388.

The previous prime is 12111330311. The next prime is 12111330359. The reversal of 12111330313 is 31303311121.

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 12111330313 - 21 = 12111330311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111330311) 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, 128843893 + ... + 128843986.

It is an arithmetic number, because the mean of its divisors is an integer number (3092254560).

Almost surely, 212111330313 is an apocalyptic number.

It is an amenable number.

12111330313 is a deficient number, since it is larger than the sum of its proper divisors (257687927).

12111330313 is an equidigital number, since it uses as much as digits as its factorization.

12111330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257687926.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12111330313 its reverse (31303311121), we get a palindrome (43414641434).

The spelling of 12111330313 in words is "twelve billion, one hundred eleven million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 47 257687879 12111330313