Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101010010101111010 |
3 | 1221011121102222202010 |
4 | 102310232222111322 |
5 | 312343233000442 |
6 | 13141341150350 |
7 | 1313605111026 |
oct | 226456522572 |
9 | 57147388663 |
10 | 20212000122 |
11 | 8632168936 |
12 | 3b00b5b3b6 |
13 | 1ba15a3cb2 |
14 | d9a50d386 |
15 | 7d4695b9c |
hex | 4b4baa57a |
20212000122 has 32 divisors (see below), whose sum is σ = 42759416448. Its totient is φ = 6356123136.
The previous prime is 20212000121. The next prime is 20212000153. The reversal of 20212000122 is 22100021202.
It is a junction number, because it is equal to n+sod(n) for n = 20212000098 and 20212000107.
It is not an unprimeable number, because it can be changed into a prime (20212000121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993103 + ... + 1013250.
It is an arithmetic number, because the mean of its divisors is an integer number (1336231764).
Almost surely, 220212000122 is an apocalyptic number.
20212000122 is an abundant number, since it is smaller than the sum of its proper divisors (22547416326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212000122 is a wasteful number, since it uses less digits than its factorization.
20212000122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2006454.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20212000122 its reverse (22100021202), we get a palindrome (42312021324).
The spelling of 20212000122 in words is "twenty billion, two hundred twelve million, one hundred twenty-two", and thus it is an aban number.
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