Base | Representation |
---|---|
bin | 10010101110001011… |
… | …001000001111100000 |
3 | 1220212221111112021111 |
4 | 102232023020033200 |
5 | 312132104201422 |
6 | 13122412033104 |
7 | 1311101240314 |
oct | 225613101740 |
9 | 56787445244 |
10 | 20102022112 |
11 | 8586081817 |
12 | 3a90162794 |
13 | 1b84878953 |
14 | d89a81b44 |
15 | 7c9bbea77 |
hex | 4ae2c83e0 |
20102022112 has 48 divisors (see below), whose sum is σ = 40271569632. Its totient is φ = 9875299840.
The previous prime is 20102022053. The next prime is 20102022119. The reversal of 20102022112 is 21122020102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20102022092 and 20102022101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102022119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650598 + ... + 680794.
It is an arithmetic number, because the mean of its divisors is an integer number (838991034).
Almost surely, 220102022112 is an apocalyptic number.
It is an amenable number.
20102022112 is an abundant number, since it is smaller than the sum of its proper divisors (20169547520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20102022112 is a wasteful number, since it uses less digits than its factorization.
20102022112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30571 (or 30563 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20102022112 its reverse (21122020102), we get a palindrome (41224042214).
The spelling of 20102022112 in words is "twenty billion, one hundred two million, twenty-two thousand, one hundred twelve".
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