Base | Representation |
---|---|
bin | 1100010010110111010… |
… | …0011010000000011000 |
3 | 202012012102122221200201 |
4 | 3010231310122000120 |
5 | 11430040330011412 |
6 | 241011210511544 |
7 | 21155165212360 |
oct | 3045564320030 |
9 | 665172587621 |
10 | 211222110232 |
11 | 81640413771 |
12 | 34b29a355b4 |
13 | 16bc22728a3 |
14 | a31a68b9a0 |
15 | 5763788e57 |
hex | 312dd1a018 |
211222110232 has 32 divisors (see below), whose sum is σ = 452998346400. Its totient is φ = 90447853824.
The previous prime is 211222110223. The next prime is 211222110233. The reversal of 211222110232 is 232011222112.
It is a super-2 number, since 2×2112221102322 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211222110233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514007 + ... + 1647622.
It is an arithmetic number, because the mean of its divisors is an integer number (14156198325).
Almost surely, 2211222110232 is an apocalyptic number.
It is an amenable number.
211222110232 is an abundant number, since it is smaller than the sum of its proper divisors (241776236168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211222110232 is a wasteful number, since it uses less digits than its factorization.
211222110232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3162835 (or 3162831 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 211222110232 its reverse (232011222112), we get a palindrome (443233332344).
The spelling of 211222110232 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, two hundred thirty-two".
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