Base | Representation |
---|---|
bin | 100110110011110… |
… | …0100110110101001 |
3 | 10100202100122021211 |
4 | 1031213210312221 |
5 | 10131332021301 |
6 | 333115033121 |
7 | 44161455232 |
oct | 11547446651 |
9 | 3322318254 |
10 | 1302220201 |
11 | 609084347 |
12 | 30413b7a1 |
13 | 179a346c9 |
14 | c4d3c089 |
15 | 794cd051 |
hex | 4d9e4da9 |
1302220201 has 2 divisors, whose sum is σ = 1302220202. Its totient is φ = 1302220200.
The previous prime is 1302220163. The next prime is 1302220219. The reversal of 1302220201 is 1020222031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1248915600 + 53304601 = 35340^2 + 7301^2 .
It is an emirp because it is prime and its reverse (1020222031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1302220201 - 211 = 1302218153 is a prime.
It is not a weakly prime, because it can be changed into another prime (1302200201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651110100 + 651110101.
It is an arithmetic number, because the mean of its divisors is an integer number (651110101).
Almost surely, 21302220201 is an apocalyptic number.
It is an amenable number.
1302220201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1302220201 is an equidigital number, since it uses as much as digits as its factorization.
1302220201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1302220201 is about 36086.2882685377. The cubic root of 1302220201 is about 1092.0138403542.
Adding to 1302220201 its reverse (1020222031), we get a palindrome (2322442232).
The spelling of 1302220201 in words is "one billion, three hundred two million, two hundred twenty thousand, two hundred one".
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