Base | Representation |
---|---|
bin | 100011110010110… |
… | …0001110010001111 |
3 | 10002200221010202222 |
4 | 1013211201302033 |
5 | 4424430120142 |
6 | 315102005555 |
7 | 41522334113 |
oct | 10745416217 |
9 | 3080833688 |
10 | 1201020047 |
11 | 566a43157 |
12 | 2962768bb |
13 | 161a90866 |
14 | b5717743 |
15 | 7068cbd2 |
hex | 47961c8f |
1201020047 has 2 divisors, whose sum is σ = 1201020048. Its totient is φ = 1201020046.
The previous prime is 1201019993. The next prime is 1201020053. The reversal of 1201020047 is 7400201021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1201020047 - 222 = 1196825743 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1201020347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510023 + 600510024.
It is an arithmetic number, because the mean of its divisors is an integer number (600510024).
Almost surely, 21201020047 is an apocalyptic number.
1201020047 is a deficient number, since it is larger than the sum of its proper divisors (1).
1201020047 is an equidigital number, since it uses as much as digits as its factorization.
1201020047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 1201020047 is about 34655.7361341525. The cubic root of 1201020047 is about 1062.9595843753.
Adding to 1201020047 its reverse (7400201021), we get a palindrome (8601221068).
The spelling of 1201020047 in words is "one billion, two hundred one million, twenty thousand, forty-seven".
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