Base | Representation |
---|---|
bin | 11001010010111… |
… | …10111000110100 |
3 | 112210021221001202 |
4 | 30221132320310 |
5 | 413310413022 |
6 | 33020112032 |
7 | 5154451562 |
oct | 1451367064 |
9 | 483257052 |
10 | 212201012 |
11 | a9866841 |
12 | 5b095618 |
13 | 34c6993a |
14 | 2027aa32 |
15 | 13969592 |
hex | ca5ee34 |
212201012 has 24 divisors (see below), whose sum is σ = 376888512. Its totient is φ = 104529600.
The previous prime is 212200981. The next prime is 212201023. The reversal of 212201012 is 210102212.
It is a happy number.
It is a super-3 number, since 3×2122010123 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212200984 and 212201002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85712 + ... + 88152.
It is an arithmetic number, because the mean of its divisors is an integer number (15703688).
Almost surely, 2212201012 is an apocalyptic number.
It is an amenable number.
212201012 is a deficient number, since it is larger than the sum of its proper divisors (164687500).
212201012 is a wasteful number, since it uses less digits than its factorization.
212201012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2759 (or 2757 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 212201012 is about 14567.1209235044. The cubic root of 212201012 is about 596.4615923241.
Adding to 212201012 its reverse (210102212), we get a palindrome (422303224).
The spelling of 212201012 in words is "two hundred twelve million, two hundred one thousand, twelve".
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