Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …1001011100110101000 |
3 | 202021111110012120021120 |
4 | 3011202313023212220 |
5 | 11433401134430440 |
6 | 241235400535240 |
7 | 21216222336114 |
oct | 3054267134650 |
9 | 667443176246 |
10 | 212112030120 |
11 | 81a57790751 |
12 | 35137a81520 |
13 | 1700474a0c3 |
14 | a3a2942744 |
15 | 57b6973dd0 |
hex | 3162dcb9a8 |
212112030120 has 64 divisors (see below), whose sum is σ = 642896291520. Its totient is φ = 55980079104.
The previous prime is 212112030107. The next prime is 212112030187. The reversal of 212112030120 is 21030211212.
212112030120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 212112030120.
It is an unprimeable number.
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, 9099702 + ... + 9122981.
It is an arithmetic number, because the mean of its divisors is an integer number (10045254555).
Almost surely, 2212112030120 is an apocalyptic number.
212112030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212112030120 is an abundant number, since it is smaller than the sum of its proper divisors (430784261400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212112030120 is a wasteful number, since it uses less digits than its factorization.
212112030120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18222794 (or 18222790 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 212112030120 its reverse (21030211212), we get a palindrome (233142241332).
The spelling of 212112030120 in words is "two hundred twelve billion, one hundred twelve million, thirty thousand, one hundred twenty".
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