Base | Representation |
---|---|
bin | 10001100010011100010… |
… | …100000010011000010111 |
3 | 11021012212101112021122211 |
4 | 101202130110002120113 |
5 | 124221234103404312 |
6 | 2321400052334251 |
7 | 153034211241361 |
oct | 21423424023027 |
9 | 4235771467584 |
10 | 1205213341207 |
11 | 425145569547 |
12 | 1756b3614387 |
13 | 898606c21a5 |
14 | 42492a81d31 |
15 | 2153c7343a7 |
hex | 1189c502617 |
1205213341207 has 2 divisors, whose sum is σ = 1205213341208. Its totient is φ = 1205213341206.
The previous prime is 1205213341193. The next prime is 1205213341217. The reversal of 1205213341207 is 7021433125021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1205213341207 - 235 = 1170853602839 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1205213341217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602606670603 + 602606670604.
It is an arithmetic number, because the mean of its divisors is an integer number (602606670604).
Almost surely, 21205213341207 is an apocalyptic number.
1205213341207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1205213341207 is an equidigital number, since it uses as much as digits as its factorization.
1205213341207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 31.
Adding to 1205213341207 its reverse (7021433125021), we get a palindrome (8226646466228).
The spelling of 1205213341207 in words is "one trillion, two hundred five billion, two hundred thirteen million, three hundred forty-one thousand, two hundred seven".
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