Base | Representation |
---|---|
bin | 10010101010000100… |
… | …100110010001000111 |
3 | 1220201011000001202200 |
4 | 102222010212101013 |
5 | 312011444414343 |
6 | 13111513005543 |
7 | 1306304254320 |
oct | 225204462107 |
9 | 56634001680 |
10 | 20033201223 |
11 | 8550246652 |
12 | 3a710b38b3 |
13 | 1b73530a29 |
14 | d80889447 |
15 | 7c3b284d3 |
hex | 4aa126447 |
20033201223 has 48 divisors (see below), whose sum is σ = 33390377280. Its totient is φ = 11337403392.
The previous prime is 20033201213. The next prime is 20033201231. The reversal of 20033201223 is 32210233002.
It is a happy number.
It is not a de Polignac number, because 20033201223 - 25 = 20033201191 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20033201196 and 20033201205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20033201203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2928415 + ... + 2935247.
It is an arithmetic number, because the mean of its divisors is an integer number (695632860).
Almost surely, 220033201223 is an apocalyptic number.
20033201223 is a deficient number, since it is larger than the sum of its proper divisors (13357176057).
20033201223 is a wasteful number, since it uses less digits than its factorization.
20033201223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7288 (or 7285 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20033201223 its reverse (32210233002), we get a palindrome (52243434225).
The spelling of 20033201223 in words is "twenty billion, thirty-three million, two hundred one thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •