Base | Representation |
---|---|
bin | 11001001010110… |
… | …10101000110110 |
3 | 112201021202210221 |
4 | 30211122220312 |
5 | 413022310110 |
6 | 32541204554 |
7 | 5142422011 |
oct | 1445325066 |
9 | 481252727 |
10 | 211135030 |
11 | a91a8967 |
12 | 5a86075a |
13 | 34985692 |
14 | 20080378 |
15 | 138087da |
hex | c95aa36 |
211135030 has 32 divisors (see below), whose sum is σ = 406625760. Its totient is φ = 78693120.
The previous prime is 211135027. The next prime is 211135037. The reversal of 211135030 is 30531112.
211135030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 211134995 and 211135013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211135037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482 + ... + 20698.
It is an arithmetic number, because the mean of its divisors is an integer number (12707055).
Almost surely, 2211135030 is an apocalyptic number.
211135030 is a deficient number, since it is larger than the sum of its proper divisors (195490730).
211135030 is a wasteful number, since it uses less digits than its factorization.
211135030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18304.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 211135030 is about 14530.4862272396. The cubic root of 211135030 is about 595.4611494536.
Adding to 211135030 its reverse (30531112), we get a palindrome (241666142).
The spelling of 211135030 in words is "two hundred eleven million, one hundred thirty-five thousand, thirty".
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