Base | Representation |
---|---|
bin | 111100110111111… |
… | …101000111010001 |
3 | 2122011202110212102 |
4 | 330313331013101 |
5 | 4042423114301 |
6 | 245202010145 |
7 | 34210626344 |
oct | 7467750721 |
9 | 2564673772 |
10 | 1021301201 |
11 | 484552788 |
12 | 246046955 |
13 | 13378794b |
14 | 998d445b |
15 | 5e9dcb6b |
hex | 3cdfd1d1 |
1021301201 has 2 divisors, whose sum is σ = 1021301202. Its totient is φ = 1021301200.
The previous prime is 1021301153. The next prime is 1021301209. The reversal of 1021301201 is 1021031201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 880902400 + 140398801 = 29680^2 + 11849^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1021301201 is a prime.
It is a super-3 number, since 3×10213012013 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1021301209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510650600 + 510650601.
It is an arithmetic number, because the mean of its divisors is an integer number (510650601).
Almost surely, 21021301201 is an apocalyptic number.
It is an amenable number.
1021301201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1021301201 is an equidigital number, since it uses as much as digits as its factorization.
1021301201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1021301201 is about 31957.8034445423. The cubic root of 1021301201 is about 1007.0505729254.
Adding to 1021301201 its reverse (1021031201), we get a palindrome (2042332402).
The spelling of 1021301201 in words is "one billion, twenty-one million, three hundred one thousand, two hundred one".
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