Base | Representation |
---|---|
bin | 11001001010101… |
… | …01000100010110 |
3 | 112201020121111220 |
4 | 30211111010112 |
5 | 413021042324 |
6 | 32540511210 |
7 | 5142265335 |
oct | 1445250426 |
9 | 481217456 |
10 | 211112214 |
11 | a9192805 |
12 | 5a84b506 |
13 | 34978191 |
14 | 20075d1c |
15 | 13801b79 |
hex | c955116 |
211112214 has 16 divisors (see below), whose sum is σ = 422497728. Its totient is φ = 70325192.
The previous prime is 211112191. The next prime is 211112219. The reversal of 211112214 is 412211112.
It is a junction number, because it is equal to n+sod(n) for n = 211112193 and 211112202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211112219) 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, 552 + ... + 20555.
It is an arithmetic number, because the mean of its divisors is an integer number (26406108).
Almost surely, 2211112214 is an apocalyptic number.
211112214 is an abundant number, since it is smaller than the sum of its proper divisors (211385514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211112214 is a wasteful number, since it uses less digits than its factorization.
211112214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22779.
The product of its digits is 32, while the sum is 15.
The square root of 211112214 is about 14529.7010980956. The cubic root of 211112214 is about 595.4396994665.
Adding to 211112214 its reverse (412211112), we get a palindrome (623323326).
The spelling of 211112214 in words is "two hundred eleven million, one hundred twelve thousand, two hundred fourteen".
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