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14142578187 = 34714192729
BaseRepresentation
bin11010010101111011…
…01001111000001011
31100111121202102002010
431022331221320023
5212431000000222
610255204311003
71010315634243
oct151275517013
940447672063
1014142578187
115aa8131351
1228a83a2463
13144500c87a
149823ccb23
1557b8e880c
hex34af69e0b

14142578187 has 4 divisors (see below), whose sum is σ = 18856770920. Its totient is φ = 9428385456.

The previous prime is 14142578173. The next prime is 14142578251. The reversal of 14142578187 is 78187524141.

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

It is not a de Polignac number, because 14142578187 - 214 = 14142561803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142578147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357096362 + ... + 2357096367.

It is an arithmetic number, because the mean of its divisors is an integer number (4714192730).

Almost surely, 214142578187 is an apocalyptic number.

14142578187 is a deficient number, since it is larger than the sum of its proper divisors (4714192733).

14142578187 is an equidigital number, since it uses as much as digits as its factorization.

14142578187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714192732.

The product of its digits is 501760, while the sum is 48.

The spelling of 14142578187 in words is "fourteen billion, one hundred forty-two million, five hundred seventy-eight thousand, one hundred eighty-seven".

Divisors: 1 3 4714192729 14142578187