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12064159 = 43927481
BaseRepresentation
bin101110000001…
…010110011111
3211200220220201
4232001112133
511042023114
61110324331
7204354322
oct56012637
924626821
1012064159
11689aa88
1240596a7
132665273
1418607b9
1510d4874
hexb8159f

12064159 has 4 divisors (see below), whose sum is σ = 12092080. Its totient is φ = 12036240.

The previous prime is 12064139. The next prime is 12064163. The reversal of 12064159 is 95146021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95146021 = 173549977.

It is a cyclic number.

It is not a de Polignac number, because 12064159 - 217 = 11933087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12064139) 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 3 ways as a sum of consecutive naturals, for example, 13302 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (3023020).

Almost surely, 212064159 is an apocalyptic number.

12064159 is a deficient number, since it is larger than the sum of its proper divisors (27921).

12064159 is an equidigital number, since it uses as much as digits as its factorization.

12064159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27920.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12064159 is about 3473.3498240172. The cubic root of 12064159 is about 229.3501441635.

The spelling of 12064159 in words is "twelve million, sixty-four thousand, one hundred fifty-nine".

Divisors: 1 439 27481 12064159