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14431420142 = 231266387407
BaseRepresentation
bin11010111000010110…
…11111111011101110
31101020202021002202022
431130023133323232
5214023420421032
610344003230142
71020424022126
oct153413377356
941222232668
1014431420142
116136184607
122969078352
13148cb01979
149ac8d9c86
15596e51512
hex35c2dfeee

14431420142 has 16 divisors (see below), whose sum is σ = 22354071552. Its totient is φ = 6980243160.

The previous prime is 14431420123. The next prime is 14431420153. The reversal of 14431420142 is 24102413441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121403 + ... + 208809.

It is an arithmetic number, because the mean of its divisors is an integer number (1397129472).

Almost surely, 214431420142 is an apocalyptic number.

14431420142 is a deficient number, since it is larger than the sum of its proper divisors (7922651410).

14431420142 is a wasteful number, since it uses less digits than its factorization.

14431420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90103.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 14431420142 its reverse (24102413441), we get a palindrome (38533833583).

The spelling of 14431420142 in words is "fourteen billion, four hundred thirty-one million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 31 62 2663 5326 82553 87407 165106 174814 2709617 5419234 232764841 465529682 7215710071 14431420142