Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110100101110101000 |
3 | 1220121211221222011211 |
4 | 102220012310232220 |
5 | 311430024332222 |
6 | 13104334202504 |
7 | 1305424103236 |
oct | 225006645650 |
9 | 56554858154 |
10 | 20000230312 |
11 | 8533677067 |
12 | 3a62053434 |
13 | 1b6975870a |
14 | d7a345956 |
15 | 7c0cb4277 |
hex | 4a81b4ba8 |
20000230312 has 16 divisors (see below), whose sum is σ = 39706339860. Its totient is φ = 9411873024.
The previous prime is 20000230309. The next prime is 20000230333. The reversal of 20000230312 is 21303200002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19389448516 + 610781796 = 139246^2 + 24714^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20000230292 and 20000230301.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73530123 + ... + 73530394.
Almost surely, 220000230312 is an apocalyptic number.
It is an amenable number.
20000230312 is a deficient number, since it is larger than the sum of its proper divisors (19706109548).
20000230312 is a wasteful number, since it uses less digits than its factorization.
20000230312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147060540 (or 147060536 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20000230312 its reverse (21303200002), we get a palindrome (41303430314).
The spelling of 20000230312 in words is "twenty billion, two hundred thirty thousand, three hundred twelve".
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