Base | Representation |
---|---|
bin | 11001011001001… |
… | …00011001010010 |
3 | 112211211000210100 |
4 | 30230210121102 |
5 | 414012310002 |
6 | 33045313230 |
7 | 5164361262 |
oct | 1454443122 |
9 | 484730710 |
10 | 213010002 |
11 | aa269627 |
12 | 5b405816 |
13 | 35190c2a |
14 | 2040b7a2 |
15 | 13a7911c |
hex | cb24652 |
213010002 has 24 divisors (see below), whose sum is σ = 462634380. Its totient is φ = 70832160.
The previous prime is 213009989. The next prime is 213010013. The reversal of 213010002 is 200010312.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 120099681 + 92910321 = 10959^2 + 9639^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6477 + ... + 21632.
Almost surely, 2213010002 is an apocalyptic number.
213010002 is an abundant number, since it is smaller than the sum of its proper divisors (249624378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213010002 is a wasteful number, since it uses less digits than its factorization.
213010002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28538 (or 28535 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 213010002 is about 14594.8621781776. The cubic root of 213010002 is about 597.2186097034.
Adding to 213010002 its reverse (200010312), we get a palindrome (413020314).
The spelling of 213010002 in words is "two hundred thirteen million, ten thousand, two".
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