Search a number
-
+
2244432111421 = 4730947441969
BaseRepresentation
bin100000101010010010100…
…101000010011100111101
321221120021022222122211211
4200222102211002130331
5243233044110031141
64435024453244421
7321104056112353
oct40522245023475
97846238878754
102244432111421
11795949461a25
12302b9b933711
13133858c2cb26
147a8b9a157d3
153d5b20b6d81
hex20a9294273d

2244432111421 has 4 divisors (see below), whose sum is σ = 2244479600700. Its totient is φ = 2244384622144.

The previous prime is 2244432111401. The next prime is 2244432111437. The reversal of 2244432111421 is 1241112344422.

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 523219308921 + 1721212802500 = 723339^2 + 1311950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244432111421 - 215 = 2244432078653 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 (2244432111401) 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, 23673676 + ... + 23768293.

It is an arithmetic number, because the mean of its divisors is an integer number (561119900175).

Almost surely, 22244432111421 is an apocalyptic number.

It is an amenable number.

2244432111421 is a deficient number, since it is larger than the sum of its proper divisors (47489279).

2244432111421 is an equidigital number, since it uses as much as digits as its factorization.

2244432111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47489278.

The product of its digits is 12288, while the sum is 31.

Adding to 2244432111421 its reverse (1241112344422), we get a palindrome (3485544455843).

The spelling of 2244432111421 in words is "two trillion, two hundred forty-four billion, four hundred thirty-two million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 47309 47441969 2244432111421