Base | Representation |
---|---|
bin | 10010110100001000… |
… | …111011110101111011 |
3 | 1221010220211112111120 |
4 | 102310020323311323 |
5 | 312333220012311 |
6 | 13140345200323 |
7 | 1313425050564 |
oct | 226410736573 |
9 | 57126745446 |
10 | 20202110331 |
11 | 8627623557 |
12 | 3ab97900a3 |
13 | 1b9c520650 |
14 | d9909716b |
15 | 7d3890706 |
hex | 4b423bd7b |
20202110331 has 8 divisors (see below), whose sum is σ = 29008158480. Its totient is φ = 12432067872.
The previous prime is 20202110321. The next prime is 20202110333. The reversal of 20202110331 is 13301120202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20202110331 - 219 = 20201586043 is a prime.
It is a super-2 number, since 2×202021103312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20202110331.
It is not an unprimeable number, because it can be changed into a prime (20202110333) 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, 259001376 + ... + 259001453.
It is an arithmetic number, because the mean of its divisors is an integer number (3626019810).
Almost surely, 220202110331 is an apocalyptic number.
20202110331 is a deficient number, since it is larger than the sum of its proper divisors (8806048149).
20202110331 is a wasteful number, since it uses less digits than its factorization.
20202110331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 518002845.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20202110331 its reverse (13301120202), we get a palindrome (33503230533).
The spelling of 20202110331 in words is "twenty billion, two hundred two million, one hundred ten thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •