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12047457446 = 237598213361
BaseRepresentation
bin10110011100001010…
…11001110010100110
31011002121102020201122
423032011121302212
5144133122114241
65311242453542
7604355461433
oct131605316246
934077366648
1012047457446
115122526102
1224028042b2
13119cc3c85b
14824052b8a
154a79e704b
hex2ce159ca6

12047457446 has 32 divisors (see below), whose sum is σ = 18902777760. Its totient is φ = 5752857600.

The previous prime is 12047457427. The next prime is 12047457451. The reversal of 12047457446 is 64475474021.

12047457446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12047457397 and 12047457406.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3582806 + ... + 3586166.

It is an arithmetic number, because the mean of its divisors is an integer number (590711805).

Almost surely, 212047457446 is an apocalyptic number.

12047457446 is a deficient number, since it is larger than the sum of its proper divisors (6855320314).

12047457446 is a wasteful number, since it uses less digits than its factorization.

12047457446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 12047457446 in words is "twelve billion, forty-seven million, four hundred fifty-seven thousand, four hundred forty-six".

Divisors: 1 2 37 59 74 118 821 1642 2183 3361 4366 6722 30377 48439 60754 96878 124357 198299 248714 396598 1792243 2759381 3584486 5518762 7337063 14674126 102097097 162803479 204194194 325606958 6023728723 12047457446