Base | Representation |
---|---|
bin | 11011111100001101… |
… | …100101000101111100 |
3 | 2212102211120222122211 |
4 | 123330031211011330 |
5 | 442420303101022 |
6 | 21440554150204 |
7 | 2111313115366 |
oct | 337415450574 |
9 | 85384528584 |
10 | 30001222012 |
11 | 117a59a9163 |
12 | 5993422364 |
13 | 2aa1702398 |
14 | 1648685d36 |
15 | ba8cbae77 |
hex | 6fc36517c |
30001222012 has 24 divisors (see below), whose sum is σ = 53540123616. Its totient is φ = 14706505728.
The previous prime is 30001222001. The next prime is 30001222109. The reversal of 30001222012 is 21022210003.
It is a junction number, because it is equal to n+sod(n) for n = 30001221983 and 30001222001.
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, 258853 + ... + 356380.
It is an arithmetic number, because the mean of its divisors is an integer number (2230838484).
Almost surely, 230001222012 is an apocalyptic number.
It is an amenable number.
30001222012 is a deficient number, since it is larger than the sum of its proper divisors (23538901604).
30001222012 is a wasteful number, since it uses less digits than its factorization.
30001222012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615477 (or 615475 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 30001222012 its reverse (21022210003), we get a palindrome (51023432015).
The spelling of 30001222012 in words is "thirty billion, one million, two hundred twenty-two thousand, twelve".
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