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12092309691 = 371171737291
BaseRepresentation
bin10110100001100001…
…00000000010111011
31011012201210222102220
423100300200002323
5144231112402231
65315524055123
7605441636130
oct132060400273
934181728386
1012092309691
115145880280
1224158344a3
1311a9314b47
14829daa587
154ab906896
hex2d0c200bb

12092309691 has 32 divisors (see below), whose sum is σ = 20384649216. Its totient is φ = 6193236000.

The previous prime is 12092309609. The next prime is 12092309701. The reversal of 12092309691 is 19690329021.

It is not a de Polignac number, because 12092309691 - 225 = 12058755259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12092309291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352245 + ... + 385046.

It is an arithmetic number, because the mean of its divisors is an integer number (637020288).

Almost surely, 212092309691 is an apocalyptic number.

12092309691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12092309691 is a deficient number, since it is larger than the sum of its proper divisors (8292339525).

12092309691 is a wasteful number, since it uses less digits than its factorization.

12092309691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737383.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 12092309691 in words is "twelve billion, ninety-two million, three hundred nine thousand, six hundred ninety-one".

Divisors: 1 3 7 11 21 33 71 77 213 231 497 781 1491 2343 5467 16401 737291 2211873 5161037 8110201 15483111 24330603 52347661 56771407 157042983 170314221 366433627 575824271 1099300881 1727472813 4030769897 12092309691