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12184971012 = 2232905937363
BaseRepresentation
bin10110101100100011…
…11110011100000100
31011110012011122212200
423112101332130010
5144423323033022
65333034114500
7610645354554
oct132621763404
934405148780
1012184971012
11519310a085
12244087ba30
1311c2589226
1483840b164
154b4b0bbac
hex2d647e704

12184971012 has 36 divisors (see below), whose sum is σ = 30805123440. Its totient is φ = 4061099952.

The previous prime is 12184970999. The next prime is 12184971049. The reversal of 12184971012 is 21017948121.

12184971012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 307443 + ... + 344805.

Almost surely, 212184971012 is an apocalyptic number.

12184971012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12184971012 is an abundant number, since it is smaller than the sum of its proper divisors (18620152428).

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

12184971012 is a wasteful number, since it uses less digits than its factorization.

12184971012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46432 (or 46427 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 12184971012 in words is "twelve billion, one hundred eighty-four million, nine hundred seventy-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 9059 18118 27177 36236 37363 54354 74726 81531 108708 112089 149452 163062 224178 326124 336267 448356 672534 1345068 338471417 676942834 1015414251 1353885668 2030828502 3046242753 4061657004 6092485506 12184971012