Base | Representation |
---|---|
bin | 11001011001001… |
… | …00111000100010 |
3 | 112211211010112102 |
4 | 30230210320202 |
5 | 414012341002 |
6 | 33045330402 |
7 | 5164400150 |
oct | 1454447042 |
9 | 484733472 |
10 | 213012002 |
11 | aa270085 |
12 | 5b406a02 |
13 | 35191b08 |
14 | 2040c3d0 |
15 | 13a79a02 |
hex | cb24e22 |
213012002 has 32 divisors (see below), whose sum is σ = 385534080. Its totient is φ = 86227200.
The previous prime is 213012001. The next prime is 213012011. The reversal of 213012002 is 200210312.
It is a happy number.
It is a super-2 number, since 2×2130120022 = 90748225992096008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213012001) 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, 105668 + ... + 107664.
It is an arithmetic number, because the mean of its divisors is an integer number (12047940).
Almost surely, 2213012002 is an apocalyptic number.
213012002 is a deficient number, since it is larger than the sum of its proper divisors (172522078).
213012002 is a wasteful number, since it uses less digits than its factorization.
213012002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2426.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 213012002 is about 14594.9306952791. The cubic root of 213012002 is about 597.2204788386.
Adding to 213012002 its reverse (200210312), we get a palindrome (413222314).
The spelling of 213012002 in words is "two hundred thirteen million, twelve thousand, two".
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