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14003040421 = 122911393849
BaseRepresentation
bin11010000101010010…
…10111000010100101
31100010220012011020201
431002221113002211
5212134234243141
610233301430501
71004002610506
oct150251270245
940126164221
1014003040421
115a36395587
12286970b431
131422134a46
1496ba68bad
1556e534031
hex342a570a5

14003040421 has 4 divisors (see below), whose sum is σ = 14014435500. Its totient is φ = 13991645344.

The previous prime is 14003040407. The next prime is 14003040431. The reversal of 14003040421 is 12404030041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12699036100 + 1304004321 = 112690^2 + 36111^2 .

It is a cyclic number.

It is not a de Polignac number, because 14003040421 - 215 = 14003007653 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 (14003040431) 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, 5695696 + ... + 5698153.

It is an arithmetic number, because the mean of its divisors is an integer number (3503608875).

Almost surely, 214003040421 is an apocalyptic number.

It is an amenable number.

14003040421 is a deficient number, since it is larger than the sum of its proper divisors (11395079).

14003040421 is a wasteful number, since it uses less digits than its factorization.

14003040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395078.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 14003040421 its reverse (12404030041), we get a palindrome (26407070462).

The spelling of 14003040421 in words is "fourteen billion, three million, forty thousand, four hundred twenty-one".

Divisors: 1 1229 11393849 14003040421