Base | Representation |
---|---|
bin | 11001011011011… |
… | …01111101000100 |
3 | 112212101100002112 |
4 | 30231231331010 |
5 | 414101430200 |
6 | 33100000152 |
7 | 5200054556 |
oct | 1455557504 |
9 | 485340075 |
10 | 213311300 |
11 | aa454a34 |
12 | 5b530058 |
13 | 35268107 |
14 | 204894d6 |
15 | 13ad8535 |
hex | cb6df44 |
213311300 has 18 divisors (see below), whose sum is σ = 462885738. Its totient is φ = 85324480.
The previous prime is 213311221. The next prime is 213311311. The reversal of 213311300 is 3113312.
It can be written as a sum of positive squares in 3 ways, for example, as 56761156 + 156550144 = 7534^2 + 12512^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066457 + ... + 1066656.
Almost surely, 2213311300 is an apocalyptic number.
213311300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213311300 is an abundant number, since it is smaller than the sum of its proper divisors (249574438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213311300 is a wasteful number, since it uses less digits than its factorization.
213311300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2133127 (or 2133120 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 213311300 is about 14605.1805877230. The cubic root of 213311300 is about 597.5000612734.
Adding to 213311300 its reverse (3113312), we get a palindrome (216424612).
The spelling of 213311300 in words is "two hundred thirteen million, three hundred eleven thousand, three hundred".
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