Base | Representation |
---|---|
bin | 1100011010100110101… |
… | …1011011000011100101 |
3 | 202101120020211021221121 |
4 | 3012221223123003211 |
5 | 11443314313130041 |
6 | 241553322013541 |
7 | 21260530122166 |
oct | 3065153330345 |
9 | 671506737847 |
10 | 213300130021 |
11 | 825073a97a0 |
12 | 354099472b1 |
13 | 17163935bb4 |
14 | a47665576d |
15 | 5835e0d7d1 |
hex | 31a9adb0e5 |
213300130021 has 4 divisors (see below), whose sum is σ = 232691050944. Its totient is φ = 193909209100.
The previous prime is 213300130009. The next prime is 213300130049. The reversal of 213300130021 is 120031003312.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 213300130021 - 211 = 213300127973 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213300129977 and 213300130004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213300130091) 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, 9695460445 + ... + 9695460466.
It is an arithmetic number, because the mean of its divisors is an integer number (58172762736).
Almost surely, 2213300130021 is an apocalyptic number.
It is an amenable number.
213300130021 is a deficient number, since it is larger than the sum of its proper divisors (19390920923).
213300130021 is a wasteful number, since it uses less digits than its factorization.
213300130021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19390920922.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 213300130021 its reverse (120031003312), we get a palindrome (333331133333).
The spelling of 213300130021 in words is "two hundred thirteen billion, three hundred million, one hundred thirty thousand, twenty-one".
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