Search a number
-
+
14240223121 = 20431696991
BaseRepresentation
bin11010100001100100…
…01000111110010001
31100202102111021202011
431100302020332101
5213130444114441
610313013222521
71012612620325
oct152062107621
940672437664
1014240223121
116048264443
122915031a41
13145c30a437
14991369985
15585285581
hex350c88f91

14240223121 has 4 divisors (see below), whose sum is σ = 14240940544. Its totient is φ = 14239505700.

The previous prime is 14240223103. The next prime is 14240223161. The reversal of 14240223121 is 12132204241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12132204241 = 17713659073.

It is a cyclic number.

It is not a de Polignac number, because 14240223121 - 29 = 14240222609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14240223092 and 14240223101.

It is not an unprimeable number, because it can be changed into a prime (14240223161) 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, 328065 + ... + 368926.

It is an arithmetic number, because the mean of its divisors is an integer number (3560235136).

Almost surely, 214240223121 is an apocalyptic number.

It is an amenable number.

14240223121 is a deficient number, since it is larger than the sum of its proper divisors (717423).

14240223121 is an equidigital number, since it uses as much as digits as its factorization.

14240223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717422.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 14240223121 its reverse (12132204241), we get a palindrome (26372427362).

The spelling of 14240223121 in words is "fourteen billion, two hundred forty million, two hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 20431 696991 14240223121