Base | Representation |
---|---|
bin | 1100010010110111010… |
… | …1010000001101000110 |
3 | 202012012110002020012212 |
4 | 3010231311100031012 |
5 | 11430040404112410 |
6 | 241011215343422 |
7 | 21155200125530 |
oct | 3045565201506 |
9 | 665173066185 |
10 | 211222332230 |
11 | 81640555538 |
12 | 34b29b21b72 |
13 | 16bc231c950 |
14 | a31a708850 |
15 | 57637ceb05 |
hex | 312dd50346 |
211222332230 has 64 divisors (see below), whose sum is σ = 469214484480. Its totient is φ = 66666132864.
The previous prime is 211222332229. The next prime is 211222332259. The reversal of 211222332230 is 32233222112.
It is a super-2 number, since 2×2112223322302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 211222332196 and 211222332205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17741 + ... + 650199.
It is an arithmetic number, because the mean of its divisors is an integer number (7331476320).
Almost surely, 2211222332230 is an apocalyptic number.
211222332230 is an abundant number, since it is smaller than the sum of its proper divisors (257992152250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211222332230 is a wasteful number, since it uses less digits than its factorization.
211222332230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 632853.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 211222332230 its reverse (32233222112), we get a palindrome (243455554342).
The spelling of 211222332230 in words is "two hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty".
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