Base | Representation |
---|---|
bin | 11011111100001001… |
… | …110000101101011110 |
3 | 2212102202201010120010 |
4 | 123330021300231132 |
5 | 442420024033042 |
6 | 21440520504050 |
7 | 2111301446142 |
oct | 337411605536 |
9 | 85382633503 |
10 | 30000221022 |
11 | 117a53850a2 |
12 | 599301b026 |
13 | 2aa1441895 |
14 | 16484a5222 |
15 | ba8b6e59c |
hex | 6fc270b5e |
30000221022 has 16 divisors (see below), whose sum is σ = 60984056592. Its totient is φ = 9836137920.
The previous prime is 30000220993. The next prime is 30000221033. The reversal of 30000221022 is 22012200003.
It is a super-2 number, since 2×300002210222 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30000220989 and 30000221007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40983543 + ... + 40984274.
It is an arithmetic number, because the mean of its divisors is an integer number (3811503537).
Almost surely, 230000221022 is an apocalyptic number.
30000221022 is an abundant number, since it is smaller than the sum of its proper divisors (30983835570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000221022 is a wasteful number, since it uses less digits than its factorization.
30000221022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81967883.
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 30000221022 its reverse (22012200003), we get a palindrome (52012421025).
The spelling of 30000221022 in words is "thirty billion, two hundred twenty-one thousand, twenty-two".
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