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12105277057 = 174391622039
BaseRepresentation
bin10110100011000011…
…11101111010000001
31011020122012210022201
423101201331322001
5144242422331212
65321110033201
7605660104636
oct132141757201
934218183281
1012105277057
115152127905
12241a048801
1311abc05243
1482b9c418d
154acb18b57
hex2d187de81

12105277057 has 8 divisors (see below), whose sum is σ = 12846556800. Its totient is φ = 11367242304.

The previous prime is 12105277043. The next prime is 12105277069. The reversal of 12105277057 is 75077250121.

12105277057 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 12105277057 - 27 = 12105276929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12105277007) 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, 803557 + ... + 818482.

It is an arithmetic number, because the mean of its divisors is an integer number (1605819600).

Almost surely, 212105277057 is an apocalyptic number.

12105277057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12105277057 is a deficient number, since it is larger than the sum of its proper divisors (741279743).

12105277057 is a wasteful number, since it uses less digits than its factorization.

12105277057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622495.

The product of its (nonzero) digits is 34300, while the sum is 37.

The spelling of 12105277057 in words is "twelve billion, one hundred five million, two hundred seventy-seven thousand, fifty-seven".

Divisors: 1 17 439 7463 1622039 27574663 712075121 12105277057