Base | Representation |
---|---|
bin | 11001001001111… |
… | …00010100001110 |
3 | 112201001110102221 |
4 | 30210330110032 |
5 | 413004321310 |
6 | 32534405554 |
7 | 5141363632 |
oct | 1444742416 |
9 | 481043387 |
10 | 211010830 |
11 | a9123618 |
12 | 5a8008ba |
13 | 34940ca4 |
14 | 2004adc2 |
15 | 137d1ada |
hex | c93c50e |
211010830 has 16 divisors (see below), whose sum is σ = 380003040. Its totient is φ = 84363552.
The previous prime is 211010819. The next prime is 211010843. The reversal of 211010830 is 38010112.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25216 + ... + 32524.
It is an arithmetic number, because the mean of its divisors is an integer number (23750190).
Almost surely, 2211010830 is an apocalyptic number.
211010830 is a deficient number, since it is larger than the sum of its proper divisors (168992210).
211010830 is a wasteful number, since it uses less digits than its factorization.
211010830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10203.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 211010830 is about 14526.2118255242. The cubic root of 211010830 is about 595.3443667150.
Adding to 211010830 its reverse (38010112), we get a palindrome (249020942).
The spelling of 211010830 in words is "two hundred eleven million, ten thousand, eight hundred thirty".
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