Base | Representation |
---|---|
bin | 11001011001001… |
… | …01001011011010 |
3 | 112211211012012011 |
4 | 30230211023122 |
5 | 414012410320 |
6 | 33045340134 |
7 | 5164403524 |
oct | 1454451332 |
9 | 484735164 |
10 | 213013210 |
11 | aa270a83 |
12 | 5b40764a |
13 | 35192527 |
14 | 2040ca14 |
15 | 13a7a05a |
hex | cb252da |
213013210 has 8 divisors (see below), whose sum is σ = 383423796. Its totient is φ = 85205280.
The previous prime is 213013153. The next prime is 213013211. The reversal of 213013210 is 12310312.
213013210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 196925089 + 16088121 = 14033^2 + 4011^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (213013211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10650651 + ... + 10650670.
Almost surely, 2213013210 is an apocalyptic number.
213013210 is a deficient number, since it is larger than the sum of its proper divisors (170410586).
213013210 is a wasteful number, since it uses less digits than its factorization.
213013210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21301328.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 213013210 is about 14594.9720794526. The cubic root of 213013210 is about 597.2216077906.
Adding to 213013210 its reverse (12310312), we get a palindrome (225323522).
The spelling of 213013210 in words is "two hundred thirteen million, thirteen thousand, two hundred ten".
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