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12220683667 = 19163982637
BaseRepresentation
bin10110110000110100…
…01101010110010011
31011112200101001102121
423120122031112103
5200011443334132
65340351355111
7611561045233
oct133032152623
934480331377
1012220683667
115201291575
122450822a97
1311c9ab148a
1483d065cc3
154b7d13497
hex2d868d593

12220683667 has 4 divisors (see below), whose sum is σ = 12284666496. Its totient is φ = 12156700840.

The previous prime is 12220683653. The next prime is 12220683691. The reversal of 12220683667 is 76638602221.

12220683667 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 an emirpimes, since its reverse is a distinct semiprime: 76638602221 = 150915078431.

It is a cyclic number.

It is not a de Polignac number, because 12220683667 - 211 = 12220681619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220683467) 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, 31991128 + ... + 31991509.

It is an arithmetic number, because the mean of its divisors is an integer number (3071166624).

Almost surely, 212220683667 is an apocalyptic number.

12220683667 is a deficient number, since it is larger than the sum of its proper divisors (63982829).

12220683667 is an equidigital number, since it uses as much as digits as its factorization.

12220683667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63982828.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 12220683667 in words is "twelve billion, two hundred twenty million, six hundred eighty-three thousand, six hundred sixty-seven".

Divisors: 1 191 63982637 12220683667