Base | Representation |
---|---|
bin | 1100011001100110011… |
… | …0010101001111101000 |
3 | 202100212110012120002211 |
4 | 3012121212111033220 |
5 | 11442241233010130 |
6 | 241510443534504 |
7 | 21251043116611 |
oct | 3063146251750 |
9 | 670773176084 |
10 | 213030360040 |
11 | 823890a25a3 |
12 | 3535352a434 |
13 | 1711ca909a4 |
14 | a44c8b0c08 |
15 | 581c3c1a2a |
hex | 31999953e8 |
213030360040 has 64 divisors (see below), whose sum is σ = 494304930000. Its totient is φ = 82575759360.
The previous prime is 213030360031. The next prime is 213030360073. The reversal of 213030360040 is 40063030312.
213030360040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 52240587844 + 160789772196 = 228562^2 + 400986^2 .
It is a junction number, because it is equal to n+sod(n) for n = 213030359993 and 213030360020.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191535 + ... + 680254.
Almost surely, 2213030360040 is an apocalyptic number.
213030360040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213030360040 is an abundant number, since it is smaller than the sum of its proper divisors (281274569960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213030360040 is a wasteful number, since it uses less digits than its factorization.
213030360040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 871990 (or 871986 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 213030360040 its reverse (40063030312), we get a palindrome (253093390352).
The spelling of 213030360040 in words is "two hundred thirteen billion, thirty million, three hundred sixty thousand, forty".
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