Base | Representation |
---|---|
bin | 11001000011001… |
… | …10000011011100 |
3 | 112122101212120120 |
4 | 30201212003130 |
5 | 412243230322 |
6 | 32503514540 |
7 | 5131050162 |
oct | 1441460334 |
9 | 478355516 |
10 | 210133212 |
11 | a8684213 |
12 | 5a458a50 |
13 | 346c46a3 |
14 | 1dc9d232 |
15 | 136aba5c |
hex | c8660dc |
210133212 has 48 divisors (see below), whose sum is σ = 506174592. Its totient is φ = 67798080.
The previous prime is 210133207. The next prime is 210133213. The reversal of 210133212 is 212331012.
It is a junction number, because it is equal to n+sod(n) for n = 210133191 and 210133200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210133213) 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, 92563 + ... + 94805.
It is an arithmetic number, because the mean of its divisors is an integer number (10545304).
Almost surely, 2210133212 is an apocalyptic number.
It is an amenable number.
210133212 is an abundant number, since it is smaller than the sum of its proper divisors (296041380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210133212 is a wasteful number, since it uses less digits than its factorization.
210133212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2498 (or 2496 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 210133212 is about 14495.9722681854. The cubic root of 210133212 is about 594.5178515248.
Adding to 210133212 its reverse (212331012), we get a palindrome (422464224).
The spelling of 210133212 in words is "two hundred ten million, one hundred thirty-three thousand, two hundred twelve".
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