Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010000111110000110 |
3 | 2220000212112021002200 |
4 | 130021323100332012 |
5 | 443403203131042 |
6 | 21515453415330 |
7 | 2120105553525 |
oct | 341173207606 |
9 | 86025467080 |
10 | 30231302022 |
11 | 11903866729 |
12 | 5a3849a546 |
13 | 2b0a28bbbc |
14 | 166b0584bc |
15 | bbe0b7c4c |
hex | 709ed0f86 |
30231302022 has 48 divisors (see below), whose sum is σ = 66200189328. Its totient is φ = 9969710400.
The previous prime is 30231301999. The next prime is 30231302033. The reversal of 30231302022 is 22020313203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30231301986 and 30231302004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2690488 + ... + 2701700.
It is an arithmetic number, because the mean of its divisors is an integer number (1379170611).
Almost surely, 230231302022 is an apocalyptic number.
30231302022 is an abundant number, since it is smaller than the sum of its proper divisors (35968887306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231302022 is a wasteful number, since it uses less digits than its factorization.
30231302022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12805 (or 12802 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30231302022 its reverse (22020313203), we get a palindrome (52251615225).
The spelling of 30231302022 in words is "thirty billion, two hundred thirty-one million, three hundred two thousand, twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •