Base | Representation |
---|---|
bin | 10010110101011001… |
… | …000111100111111111 |
3 | 1221012101101110012221 |
4 | 102311121013213333 |
5 | 312404110130421 |
6 | 13142415510211 |
7 | 1314101525002 |
oct | 226531074777 |
9 | 57171343187 |
10 | 20223130111 |
11 | 863847aa78 |
12 | 3b04828367 |
13 | 1ba399cca2 |
14 | d9bba9539 |
15 | 7d5643841 |
hex | 4b56479ff |
20223130111 has 24 divisors (see below), whose sum is σ = 21627169344. Its totient is φ = 18905486400.
The previous prime is 20223130091. The next prime is 20223130117. The reversal of 20223130111 is 11103132202.
It is not a de Polignac number, because 20223130111 - 215 = 20223097343 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 (20223130117) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13599210 + ... + 13600696.
It is an arithmetic number, because the mean of its divisors is an integer number (901132056).
Almost surely, 220223130111 is an apocalyptic number.
20223130111 is a deficient number, since it is larger than the sum of its proper divisors (1404039233).
20223130111 is a wasteful number, since it uses less digits than its factorization.
20223130111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1999 (or 1980 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 20223130111 its reverse (11103132202), we get a palindrome (31326262313).
The spelling of 20223130111 in words is "twenty billion, two hundred twenty-three million, one hundred thirty thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •