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12188107941 = 34062702647
BaseRepresentation
bin10110101100111011…
…11100010010100101
31011110102002000221020
423112131330102211
5144430123423231
65333225241353
7611014131252
oct132635742245
934412060836
1012188107941
115194961989
122441933259
1311c3116cb9
148389c6429
154b502b396
hex2d677c4a5

12188107941 has 4 divisors (see below), whose sum is σ = 16250810592. Its totient is φ = 8125405292.

The previous prime is 12188107927. The next prime is 12188107961. The reversal of 12188107941 is 14970188121.

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 12188107941 - 221 = 12186010789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12188107893 and 12188107902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188107961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031351321 + ... + 2031351326.

It is an arithmetic number, because the mean of its divisors is an integer number (4062702648).

Almost surely, 212188107941 is an apocalyptic number.

It is an amenable number.

12188107941 is a deficient number, since it is larger than the sum of its proper divisors (4062702651).

12188107941 is an equidigital number, since it uses as much as digits as its factorization.

12188107941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062702650.

The product of its (nonzero) digits is 32256, while the sum is 42.

The spelling of 12188107941 in words is "twelve billion, one hundred eighty-eight million, one hundred seven thousand, nine hundred forty-one".

Divisors: 1 3 4062702647 12188107941