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12085708790 = 251208570879
BaseRepresentation
bin10110100000101110…
…10100011111110110
31011012021101121201002
423100113110133312
5144222420140130
65315130403302
7605331554411
oct132027243766
934167347632
1012085708790
115142081991
122413590532
1311a7b4349c
1482916cb78
154ab050b45
hex2d05d47f6

12085708790 has 8 divisors (see below), whose sum is σ = 21754275840. Its totient is φ = 4834283512.

The previous prime is 12085708787. The next prime is 12085708801. The reversal of 12085708790 is 9780758021.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 604285430 + ... + 604285449.

It is an arithmetic number, because the mean of its divisors is an integer number (2719284480).

Almost surely, 212085708790 is an apocalyptic number.

12085708790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12085708790 is a deficient number, since it is larger than the sum of its proper divisors (9668567050).

12085708790 is a wasteful number, since it uses less digits than its factorization.

12085708790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208570886.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 12085708790 in words is "twelve billion, eighty-five million, seven hundred eight thousand, seven hundred ninety".

Divisors: 1 2 5 10 1208570879 2417141758 6042854395 12085708790