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12127966837 = 72959743679
BaseRepresentation
bin10110100101110001…
…00001011001110101
31011022012220112211221
423102320201121311
5144314224414322
65323240230341
7606354005620
oct132270413165
934265815757
1012127966837
115163a14a98
12242576b3b1
1311b381aa4c
14830a0cdb7
154aeaeb9c7
hex2d2e21675

12127966837 has 8 divisors (see below), whose sum is σ = 14338483200. Its totient is φ = 10036937904.

The previous prime is 12127966831. The next prime is 12127966841. The reversal of 12127966837 is 73866972121.

12127966837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12127966837 - 27 = 12127966709 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 (12127966831) 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 7 ways as a sum of consecutive naturals, for example, 29871637 + ... + 29872042.

It is an arithmetic number, because the mean of its divisors is an integer number (1792310400).

Almost surely, 212127966837 is an apocalyptic number.

It is an amenable number.

12127966837 is a deficient number, since it is larger than the sum of its proper divisors (2210516363).

12127966837 is an equidigital number, since it uses as much as digits as its factorization.

12127966837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59743715.

The product of its digits is 1524096, while the sum is 52.

The spelling of 12127966837 in words is "twelve billion, one hundred twenty-seven million, nine hundred sixty-six thousand, eight hundred thirty-seven".

Divisors: 1 7 29 203 59743679 418205753 1732566691 12127966837