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12328291146 = 233755532843
BaseRepresentation
bin10110111101101001…
…01100101101001010
31011211011212002010210
423132310230231022
5200222020304041
65355154021550
7614335513533
oct133664545512
934734762123
1012328291146
115256aa9676
1224808778b6
131216189842
1484d47768a
154c24bc016
hex2ded2cb4a

12328291146 has 16 divisors (see below), whose sum is σ = 25322976864. Its totient is φ = 3998364624.

The previous prime is 12328291127. The next prime is 12328291153. The reversal of 12328291146 is 64119282321.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27766200 + ... + 27766643.

It is an arithmetic number, because the mean of its divisors is an integer number (1582686054).

Almost surely, 212328291146 is an apocalyptic number.

12328291146 is an abundant number, since it is smaller than the sum of its proper divisors (12994685718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12328291146 is a wasteful number, since it uses less digits than its factorization.

12328291146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55532885.

The product of its digits is 41472, while the sum is 39.

The spelling of 12328291146 in words is "twelve billion, three hundred twenty-eight million, two hundred ninety-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 37 74 111 222 55532843 111065686 166598529 333197058 2054715191 4109430382 6164145573 12328291146