Base | Representation |
---|---|
bin | 1100011001100010010… |
… | …0111111000111001110 |
3 | 202100211020222021011000 |
4 | 3012120210333013032 |
5 | 11442222341330110 |
6 | 241505032441130 |
7 | 21250444403106 |
oct | 3063044770716 |
9 | 670736867130 |
10 | 213013230030 |
11 | 8237a462567 |
12 | 353498491a6 |
13 | 171193739a3 |
14 | a44a4d2206 |
15 | 581ab3b1c0 |
hex | 319893f1ce |
213013230030 has 32 divisors (see below), whose sum is σ = 568035280800. Its totient is φ = 56803527936.
The previous prime is 213013230013. The next prime is 213013230077. The reversal of 213013230030 is 30032310312.
213013230030 is a `hidden beast` number, since 2 + 1 + 301 + 32 + 300 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 213013229985 and 213013230012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394468675 + ... + 394469214.
It is an arithmetic number, because the mean of its divisors is an integer number (17751102525).
Almost surely, 2213013230030 is an apocalyptic number.
213013230030 is an abundant number, since it is smaller than the sum of its proper divisors (355022050770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213013230030 is a wasteful number, since it uses less digits than its factorization.
213013230030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788937905 (or 788937899 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 213013230030 its reverse (30032310312), we get a palindrome (243045540342).
The spelling of 213013230030 in words is "two hundred thirteen billion, thirteen million, two hundred thirty thousand, thirty".
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