Base | Representation |
---|---|
bin | 1100011001100110010… |
… | …1110011000110111111 |
3 | 202100212102221110022102 |
4 | 3012121211303012333 |
5 | 11442241214021343 |
6 | 241510440535315 |
7 | 21251041665152 |
oct | 3063145630677 |
9 | 670772843272 |
10 | 213030220223 |
11 | 82389007547 |
12 | 3535348153b |
13 | 1711ca42162 |
14 | a44c875c99 |
15 | 581c3953b8 |
hex | 31999731bf |
213030220223 has 4 divisors (see below), whose sum is σ = 213031143408. Its totient is φ = 213029297040.
The previous prime is 213030220211. The next prime is 213030220229. The reversal of 213030220223 is 322022030312.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 213030220223 - 226 = 212963111359 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213030220195 and 213030220204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213030220229) 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, 221678 + ... + 689348.
It is an arithmetic number, because the mean of its divisors is an integer number (53257785852).
Almost surely, 2213030220223 is an apocalyptic number.
213030220223 is a deficient number, since it is larger than the sum of its proper divisors (923185).
213030220223 is an equidigital number, since it uses as much as digits as its factorization.
213030220223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923184.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 213030220223 its reverse (322022030312), we get a palindrome (535052250535).
The spelling of 213030220223 in words is "two hundred thirteen billion, thirty million, two hundred twenty thousand, two hundred twenty-three".
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