Base | Representation |
---|---|
bin | 11001000011000… |
… | …00111011100111 |
3 | 112122100210210111 |
4 | 30201200323213 |
5 | 412242042411 |
6 | 32503233451 |
7 | 5130632050 |
oct | 1441407347 |
9 | 478323714 |
10 | 210112231 |
11 | a866a47a |
12 | 5a448887 |
13 | 346b7c84 |
14 | 1dc95727 |
15 | 136a5721 |
hex | c860ee7 |
210112231 has 16 divisors (see below), whose sum is σ = 259670016. Its totient is φ = 165891456.
The previous prime is 210112223. The next prime is 210112237. The reversal of 210112231 is 132211012.
210112231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 210112231 - 23 = 210112223 is a prime.
It is a super-2 number, since 2×2101122312 = 88294299231594722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210112237) 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, 13191 + ... + 24376.
It is an arithmetic number, because the mean of its divisors is an integer number (16229376).
Almost surely, 2210112231 is an apocalyptic number.
210112231 is a deficient number, since it is larger than the sum of its proper divisors (49557785).
210112231 is a wasteful number, since it uses less digits than its factorization.
210112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37638.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 210112231 is about 14495.2485663406. The cubic root of 210112231 is about 594.4980640860.
Adding to 210112231 its reverse (132211012), we get a palindrome (342323243).
The spelling of 210112231 in words is "two hundred ten million, one hundred twelve thousand, two hundred thirty-one".
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