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12081162842 = 27862940203
BaseRepresentation
bin10110100000001011…
…11110101001011010
31011011221211122211122
423100011332221122
5144220234202332
65314445125242
7605245122050
oct132005765132
934157748748
1012081162842
11513a557501
122411b59822
1311a6c11288
148287081d0
154aa953c12
hex2d017ea5a

12081162842 has 8 divisors (see below), whose sum is σ = 20710564896. Its totient is φ = 5177641212.

The previous prime is 12081162823. The next prime is 12081162871. The reversal of 12081162842 is 24826118021.

12081162842 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 a super-2 number, since 2×120811628422 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 431470088 + ... + 431470115.

It is an arithmetic number, because the mean of its divisors is an integer number (2588820612).

Almost surely, 212081162842 is an apocalyptic number.

12081162842 is a deficient number, since it is larger than the sum of its proper divisors (8629402054).

12081162842 is an equidigital number, since it uses as much as digits as its factorization.

12081162842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862940212.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 12081162842 in words is "twelve billion, eighty-one million, one hundred sixty-two thousand, eight hundred forty-two".

Divisors: 1 2 7 14 862940203 1725880406 6040581421 12081162842