Base | Representation |
---|---|
bin | 11001011111111… |
… | …10111011011100 |
3 | 112220111111122201 |
4 | 30233332323130 |
5 | 414224430431 |
6 | 33120421244 |
7 | 5205110035 |
oct | 1457767334 |
9 | 486444581 |
10 | 213905116 |
11 | aa820097 |
12 | 5b777824 |
13 | 35415499 |
14 | 205a1a8c |
15 | 13ba4461 |
hex | cbfeedc |
213905116 has 12 divisors (see below), whose sum is σ = 394035880. Its totient is φ = 101323440.
The previous prime is 213905099. The next prime is 213905119. The reversal of 213905116 is 611509312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213905119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407195 + ... + 1407346.
Almost surely, 2213905116 is an apocalyptic number.
It is an amenable number.
213905116 is a deficient number, since it is larger than the sum of its proper divisors (180130764).
213905116 is a wasteful number, since it uses less digits than its factorization.
213905116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2814564 (or 2814562 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 213905116 is about 14625.4954104126. The cubic root of 213905116 is about 598.0539878104.
The spelling of 213905116 in words is "two hundred thirteen million, nine hundred five thousand, one hundred sixteen".
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