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12239280386 = 210757192899
BaseRepresentation
bin10110110011000010…
…01001100100000010
31011120222100212022222
423121201021210002
5200031223433021
65342254131042
7612205111124
oct133141114402
934528325288
1012239280386
115210833563
122456ab0a82
1312008c2c58
14841707214
154b97886ab
hex2d9849902

12239280386 has 8 divisors (see below), whose sum is σ = 18530499600. Its totient is φ = 6062447188.

The previous prime is 12239280359. The next prime is 12239280491. The reversal of 12239280386 is 68308293221.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28596236 + ... + 28596663.

It is an arithmetic number, because the mean of its divisors is an integer number (2316312450).

Almost surely, 212239280386 is an apocalyptic number.

12239280386 is a deficient number, since it is larger than the sum of its proper divisors (6291219214).

12239280386 is a wasteful number, since it uses less digits than its factorization.

12239280386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57193008.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 12239280386 in words is "twelve billion, two hundred thirty-nine million, two hundred eighty thousand, three hundred eighty-six".

Divisors: 1 2 107 214 57192899 114385798 6119640193 12239280386