Base | Representation |
---|---|
bin | 10001011101110010101… |
… | …101001101100000101111 |
3 | 11020201222102022000221222 |
4 | 101131302231031200233 |
5 | 124131022401030111 |
6 | 2315212411013555 |
7 | 152466402322442 |
oct | 21356255154057 |
9 | 4221872260858 |
10 | 1200220330031 |
11 | 4230130a5328 |
12 | 17473b43a2bb |
13 | 8924613c6c8 |
14 | 4213b8bd659 |
15 | 2134920d7db |
hex | 11772b4d82f |
1200220330031 has 2 divisors, whose sum is σ = 1200220330032. Its totient is φ = 1200220330030.
The previous prime is 1200220330019. The next prime is 1200220330033. The reversal of 1200220330031 is 1300330220021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1200220330031 - 214 = 1200220313647 is a prime.
It is a super-3 number, since 3×12002203300313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
Together with 1200220330033, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1200220329991 and 1200220330009.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1200220330033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600110165015 + 600110165016.
It is an arithmetic number, because the mean of its divisors is an integer number (600110165016).
Almost surely, 21200220330031 is an apocalyptic number.
1200220330031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1200220330031 is an equidigital number, since it uses as much as digits as its factorization.
1200220330031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 1200220330031 its reverse (1300330220021), we get a palindrome (2500550550052).
The spelling of 1200220330031 in words is "one trillion, two hundred billion, two hundred twenty million, three hundred thirty thousand, thirty-one".
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