Base | Representation |
---|---|
bin | 11001011010100… |
… | …11100001101101 |
3 | 112212011211121101 |
4 | 30231103201231 |
5 | 414034444203 |
6 | 33053403101 |
7 | 5166124150 |
oct | 1455234155 |
9 | 485154541 |
10 | 213203053 |
11 | aa390678 |
12 | 5b499491 |
13 | 3522aa6b |
14 | 2045bc97 |
15 | 13ab641d |
hex | cb5386d |
213203053 has 16 divisors (see below), whose sum is σ = 246153600. Its totient is φ = 180887616.
The previous prime is 213202981. The next prime is 213203063. The reversal of 213203053 is 350302312.
It is not a de Polignac number, because 213203053 - 221 = 211105901 is a prime.
It is a super-3 number, since 3×2132030533 (a number of 26 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 213203053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213203063) 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, 481050 + ... + 481492.
It is an arithmetic number, because the mean of its divisors is an integer number (15384600).
Almost surely, 2213203053 is an apocalyptic number.
It is an amenable number.
213203053 is a deficient number, since it is larger than the sum of its proper divisors (32950547).
213203053 is a wasteful number, since it uses less digits than its factorization.
213203053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 996.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 213203053 is about 14601.4743433668. The cubic root of 213203053 is about 597.3989750008.
Adding to 213203053 its reverse (350302312), we get a palindrome (563505365).
The spelling of 213203053 in words is "two hundred thirteen million, two hundred three thousand, fifty-three".
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