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1431243442142 = 21937664301109
BaseRepresentation
bin10100110100111100110…
…000011100011111011110
312001211021211001002210122
4110310330300130133132
5141422141310122032
63013300522034542
7205255355346443
oct24647460343736
95054254032718
101431243442142
11501a94679858
121b1474648a52
13a4c72793947
144d3b5c519ca
152736b006012
hex14d3cc1c7de

1431243442142 has 8 divisors (see below), whose sum is σ = 2259858066600. Its totient is φ = 677957419944.

The previous prime is 1431243442103. The next prime is 1431243442151. The reversal of 1431243442142 is 2412443421341.

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

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 3 ways as a sum of consecutive naturals, for example, 18832150517 + ... + 18832150592.

It is an arithmetic number, because the mean of its divisors is an integer number (282482258325).

Almost surely, 21431243442142 is an apocalyptic number.

1431243442142 is a deficient number, since it is larger than the sum of its proper divisors (828614624458).

1431243442142 is a wasteful number, since it uses less digits than its factorization.

1431243442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37664301130.

The product of its digits is 73728, while the sum is 35.

Adding to 1431243442142 its reverse (2412443421341), we get a palindrome (3843686863483).

The spelling of 1431243442142 in words is "one trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 19 38 37664301109 75328602218 715621721071 1431243442142