Base | Representation |
---|---|
bin | 11001001010010… |
… | …10011101110100 |
3 | 112201011101221112 |
4 | 30211022131310 |
5 | 413013200123 |
6 | 32535534152 |
7 | 5142024620 |
oct | 1445123564 |
9 | 481141845 |
10 | 211068788 |
11 | a9163117 |
12 | 5a82a358 |
13 | 34961498 |
14 | 20064180 |
15 | 137e3d78 |
hex | c94a774 |
211068788 has 24 divisors (see below), whose sum is σ = 422665152. Its totient is φ = 90345024.
The previous prime is 211068749. The next prime is 211068817. The reversal of 211068788 is 887860112.
211068788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20456 + ... + 28992.
It is an arithmetic number, because the mean of its divisors is an integer number (17611048).
Almost surely, 2211068788 is an apocalyptic number.
211068788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
211068788 is an abundant number, since it is smaller than the sum of its proper divisors (211596364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211068788 is a wasteful number, since it uses less digits than its factorization.
211068788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9431 (or 9429 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 41.
The square root of 211068788 is about 14528.2066339931. The cubic root of 211068788 is about 595.3988691468.
The spelling of 211068788 in words is "two hundred eleven million, sixty-eight thousand, seven hundred eighty-eight".
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