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14861374789 = 174493194569
BaseRepresentation
bin11011101011100111…
…01001010101000101
31102100201022001122111
431311303221111011
5220414002443124
610454402501021
71034164413202
oct156563512505
942321261574
1014861374789
116336949928
122a69064771
13152ac006c1
14a0da5aca9
155bea80494
hex375ce9545

14861374789 has 8 divisors (see below), whose sum is σ = 15739156440. Its totient is φ = 13983991296.

The previous prime is 14861374763. The next prime is 14861374861. The reversal of 14861374789 is 98747316841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12486274564 + 2375100225 = 111742^2 + 48735^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14861374789 - 215 = 14861342021 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 (14861374739) 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 7 ways as a sum of consecutive naturals, for example, 20904 + ... + 173665.

It is an arithmetic number, because the mean of its divisors is an integer number (1967394555).

Almost surely, 214861374789 is an apocalyptic number.

It is an amenable number.

14861374789 is a deficient number, since it is larger than the sum of its proper divisors (877781651).

14861374789 is a wasteful number, since it uses less digits than its factorization.

14861374789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199079.

The product of its digits is 8128512, while the sum is 58.

The spelling of 14861374789 in words is "fourteen billion, eight hundred sixty-one million, three hundred seventy-four thousand, seven hundred eighty-nine".

Divisors: 1 17 4493 76381 194569 3307673 874198517 14861374789