Search a number
-
+
221113013110423 = 7233809313509973
BaseRepresentation
bin110010010001100111100010…
…100110100000011010010111
31001222220012100001121211112121
4302101213202212200122113
5212440203422324013143
62102133525501200411
764400613406564420
oct6221474246403227
91058805301554477
10221113013110423
11644a9558550895
1220971224860107
13964bb38360105
143c85cd9728647
151a869cc0677ed
hexc919e29a0697

221113013110423 has 8 divisors (see below), whose sum is σ = 252700713196448. Its totient is φ = 189525344720544.

The previous prime is 221113013110421. The next prime is 221113013110487. The reversal of 221113013110423 is 324011310311122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221113013110423 - 21 = 221113013110421 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 (221113013110421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9611665 + ... + 23121637.

It is an arithmetic number, because the mean of its divisors is an integer number (31587589149556).

Almost surely, 2221113013110423 is an apocalyptic number.

221113013110423 is a deficient number, since it is larger than the sum of its proper divisors (31587700086025).

221113013110423 is a wasteful number, since it uses less digits than its factorization.

221113013110423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15848073.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 221113013110423 its reverse (324011310311122), we get a palindrome (545124323421545).

The spelling of 221113013110423 in words is "two hundred twenty-one trillion, one hundred thirteen billion, thirteen million, one hundred ten thousand, four hundred twenty-three".

Divisors: 1 7 2338093 13509973 16366651 94569811 31587573301489 221113013110423