Base | Representation |
---|---|
bin | 10010101000001010… |
… | …001100000011111000 |
3 | 1220121220121210001111 |
4 | 102220022030003320 |
5 | 311430241043222 |
6 | 13104405130104 |
7 | 1305434435536 |
oct | 225012140370 |
9 | 56556553044 |
10 | 20001112312 |
11 | 8534119795 |
12 | 3a623b9934 |
13 | 1b699a6ccc |
14 | d7a4d5156 |
15 | 7c0dda777 |
hex | 4a828c0f8 |
20001112312 has 32 divisors (see below), whose sum is σ = 38805512400. Its totient is φ = 9653158144.
The previous prime is 20001112303. The next prime is 20001112319. The reversal of 20001112312 is 21321110002.
It is a junction number, because it is equal to n+sod(n) for n = 20001112292 and 20001112301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20001112319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102983 + ... + 1120969.
Almost surely, 220001112312 is an apocalyptic number.
It is an amenable number.
20001112312 is a deficient number, since it is larger than the sum of its proper divisors (18804400088).
20001112312 is a wasteful number, since it uses less digits than its factorization.
20001112312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22815 (or 22811 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20001112312 its reverse (21321110002), we get a palindrome (41322222314).
The spelling of 20001112312 in words is "twenty billion, one million, one hundred twelve thousand, three hundred twelve".
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