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142159179 = 347386393
BaseRepresentation
bin10000111100100…
…10110101001011
3100220111102201210
420132102311023
5242343043204
622034544203
73344222151
oct1036226513
9326442653
10142159179
1173277328
123b738063
13235b5076
1414c473d1
15c731389
hex8792d4b

142159179 has 4 divisors (see below), whose sum is σ = 189545576. Its totient is φ = 94772784.

The previous prime is 142159169. The next prime is 142159181. The reversal of 142159179 is 971951241.

142159179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142159179 - 27 = 142159051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142159139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23693194 + ... + 23693199.

It is an arithmetic number, because the mean of its divisors is an integer number (47386394).

Almost surely, 2142159179 is an apocalyptic number.

142159179 is a deficient number, since it is larger than the sum of its proper divisors (47386397).

142159179 is an equidigital number, since it uses as much as digits as its factorization.

142159179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47386396.

The product of its digits is 22680, while the sum is 39.

The square root of 142159179 is about 11923.0524195778. The cubic root of 142159179 is about 521.9052139224.

The spelling of 142159179 in words is "one hundred forty-two million, one hundred fifty-nine thousand, one hundred seventy-nine".

Divisors: 1 3 47386393 142159179