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14042144021 = 15439100547
BaseRepresentation
bin11010001001111101…
…00001110100010101
31100020121202211022012
431010332201310111
5212224242102041
610241215514005
71004656153253
oct150476416425
940217684265
1014042144021
115a56473704
12287a828905
13142a276579
14972d275d3
15572baa3eb
hex344fa1d15

14042144021 has 4 divisors (see below), whose sum is σ = 14051246112. Its totient is φ = 14033041932.

The previous prime is 14042144003. The next prime is 14042144033. The reversal of 14042144021 is 12044124041.

14042144021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14042144021 - 26 = 14042143957 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 (14042144321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548731 + ... + 4551816.

It is an arithmetic number, because the mean of its divisors is an integer number (3512811528).

Almost surely, 214042144021 is an apocalyptic number.

It is an amenable number.

14042144021 is a deficient number, since it is larger than the sum of its proper divisors (9102091).

14042144021 is an equidigital number, since it uses as much as digits as its factorization.

14042144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102090.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 14042144021 its reverse (12044124041), we get a palindrome (26086268062).

The spelling of 14042144021 in words is "fourteen billion, forty-two million, one hundred forty-four thousand, twenty-one".

Divisors: 1 1543 9100547 14042144021