Base | Representation |
---|---|
bin | 1100001111000110011… |
… | …1100001110001011100 |
3 | 202002121001011011210020 |
4 | 3003301213201301130 |
5 | 11421003244214322 |
6 | 240323050512140 |
7 | 21121152243561 |
oct | 3036147416134 |
9 | 662531134706 |
10 | 210212101212 |
11 | 81172283a73 |
12 | 348a7735650 |
13 | 16a90c3ca09 |
14 | a262496868 |
15 | 5704c7c05c |
hex | 30f19e1c5c |
210212101212 has 48 divisors (see below), whose sum is σ = 491774495520. Its totient is φ = 69888033792.
The previous prime is 210212101207. The next prime is 210212101243. The reversal of 210212101212 is 212101212012.
210212101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 210212101191 and 210212101200.
It is a congruent number.
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, 15946368 + ... + 15959544.
It is an arithmetic number, because the mean of its divisors is an integer number (10245301990).
Almost surely, 2210212101212 is an apocalyptic number.
It is an amenable number.
210212101212 is an abundant number, since it is smaller than the sum of its proper divisors (281562394308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210212101212 is a wasteful number, since it uses less digits than its factorization.
210212101212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16550 (or 16548 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 210212101212 its reverse (212101212012), we get a palindrome (422313313224).
The spelling of 210212101212 in words is "two hundred ten billion, two hundred twelve million, one hundred one thousand, two hundred twelve".
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