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14044000421 = 111276727311
BaseRepresentation
bin11010001010001011…
…00111000010100101
31100020202021010210202
431011011213002211
5212230231003141
610241323400245
71005011014433
oct150505470245
940222233722
1014044000421
115a57521420
12287b383085
13142a776529
1497328bd53
15572e2549b
hex3451670a5

14044000421 has 4 divisors (see below), whose sum is σ = 15320727744. Its totient is φ = 12767273100.

The previous prime is 14044000387. The next prime is 14044000447. The reversal of 14044000421 is 12400044041.

14044000421 = T29158 + T29159 + ... + T29190.

It is a happy number.

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 14044000421 - 218 = 14043738277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14044000393 and 14044000402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14044000471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638363645 + ... + 638363666.

It is an arithmetic number, because the mean of its divisors is an integer number (3830181936).

Almost surely, 214044000421 is an apocalyptic number.

14044000421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14044000421 is a deficient number, since it is larger than the sum of its proper divisors (1276727323).

14044000421 is a wasteful number, since it uses less digits than its factorization.

14044000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276727322.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 14044000421 its reverse (12400044041), we get a palindrome (26444044462).

The spelling of 14044000421 in words is "fourteen billion, forty-four million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 11 1276727311 14044000421