Base | Representation |
---|---|
bin | 1100011010100110101… |
… | …1101100001100011101 |
3 | 202101120020221212020121 |
4 | 3012221223230030131 |
5 | 11443314322401341 |
6 | 241553323314541 |
7 | 21260530533643 |
oct | 3065153541435 |
9 | 671506855217 |
10 | 213300200221 |
11 | 82507447509 |
12 | 3540997ba51 |
13 | 1716395bb34 |
14 | a476673193 |
15 | 5835e244d1 |
hex | 31a9aec31d |
213300200221 has 2 divisors, whose sum is σ = 213300200222. Its totient is φ = 213300200220.
The previous prime is 213300200209. The next prime is 213300200237. The reversal of 213300200221 is 122002003312.
It is an a-pointer prime, because the next prime (213300200237) can be obtained adding 213300200221 to its sum of digits (16).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 208419640900 + 4880559321 = 456530^2 + 69861^2 .
It is a cyclic number.
It is not a de Polignac number, because 213300200221 - 27 = 213300200093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213300200195 and 213300200204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (213300240221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650100110 + 106650100111.
It is an arithmetic number, because the mean of its divisors is an integer number (106650100111).
Almost surely, 2213300200221 is an apocalyptic number.
It is an amenable number.
213300200221 is a deficient number, since it is larger than the sum of its proper divisors (1).
213300200221 is an equidigital number, since it uses as much as digits as its factorization.
213300200221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 213300200221 its reverse (122002003312), we get a palindrome (335302203533).
The spelling of 213300200221 in words is "two hundred thirteen billion, three hundred million, two hundred thousand, two hundred twenty-one".
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