Base | Representation |
---|---|
bin | 1100010010110111100… |
… | …0100111001111001000 |
3 | 202012012111201222101222 |
4 | 3010231320213033020 |
5 | 11430041120304000 |
6 | 241011250301212 |
7 | 21155210454422 |
oct | 3045570471710 |
9 | 665174658358 |
10 | 211223213000 |
11 | 81640aa7248 |
12 | 34b2a287808 |
13 | 16bc256a807 |
14 | a31a897812 |
15 | 5763905a85 |
hex | 312de273c8 |
211223213000 has 64 divisors (see below), whose sum is σ = 494331102720. Its totient is φ = 84477528000.
The previous prime is 211223212997. The next prime is 211223213017. The reversal of 211223213000 is 312322112.
211223213000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 211223213000.
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, 12502559 + ... + 12519441.
It is an arithmetic number, because the mean of its divisors is an integer number (7723923480).
Almost surely, 2211223213000 is an apocalyptic number.
211223213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211223213000 is an abundant number, since it is smaller than the sum of its proper divisors (283107889720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211223213000 is a wasteful number, since it uses less digits than its factorization.
211223213000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29415 (or 29401 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 211223213000 its reverse (312322112), we get a palindrome (211535535112).
The spelling of 211223213000 in words is "two hundred eleven billion, two hundred twenty-three million, two hundred thirteen thousand".
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