Search a number
-
+
144303014004221 = 787718319539673
BaseRepresentation
bin100000110011111000101001…
…111000111100010111111101
3200220221020022011020112210102
4200303320221320330113331
5122403230033041113341
61230523520042450445
742252356131605062
oct4063705170742775
9626836264215712
10144303014004221
1141a85623485096
1214226a83503a25
13626993c8b3587
14278c435b7cc69
1511a39bc563c9b
hex833e29e3c5fd

144303014004221 has 4 divisors (see below), whose sum is σ = 144321333551772. Its totient is φ = 144284694456672.

The previous prime is 144303014004203. The next prime is 144303014004223. The reversal of 144303014004221 is 122400410303441.

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 97657679196100 + 46645334808121 = 9882190^2 + 6829739^2 .

It is a cyclic number.

It is not a de Polignac number, because 144303014004221 - 226 = 144302946895357 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 (144303014004223) 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, 9159761960 + ... + 9159777713.

It is an arithmetic number, because the mean of its divisors is an integer number (36080333387943).

Almost surely, 2144303014004221 is an apocalyptic number.

It is an amenable number.

144303014004221 is a deficient number, since it is larger than the sum of its proper divisors (18319547551).

144303014004221 is an equidigital number, since it uses as much as digits as its factorization.

144303014004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319547550.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 144303014004221 its reverse (122400410303441), we get a palindrome (266703424307662).

The spelling of 144303014004221 in words is "one hundred forty-four trillion, three hundred three billion, fourteen million, four thousand, two hundred twenty-one".

Divisors: 1 7877 18319539673 144303014004221