Base | Representation |
---|---|
bin | 101101101100111011110110… |
… | …111010101111000001001001 |
3 | 222100200102012010122210122202 |
4 | 231230323312322233001021 |
5 | 202321141021130012111 |
6 | 1551254045125525545 |
7 | 60223525632102152 |
oct | 5554736672570111 |
9 | 870612163583582 |
10 | 201000022110281 |
11 | 590546a346aaa9 |
12 | 1a6631988738b5 |
13 | 88202b3cc9514 |
14 | 378c64ad84929 |
15 | 1838712721b3b |
hex | b6cef6eaf049 |
201000022110281 has 2 divisors, whose sum is σ = 201000022110282. Its totient is φ = 201000022110280.
The previous prime is 201000022110257. The next prime is 201000022110301. The reversal of 201000022110281 is 182011220000102.
It is an a-pointer prime, because the next prime (201000022110301) can be obtained adding 201000022110281 to its sum of digits (20).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 192801306154681 + 8198715955600 = 13885291^2 + 2863340^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201000022110281 is a prime.
It is a super-2 number, since 2×2010000221102812 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (201000022113281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500011055140 + 100500011055141.
It is an arithmetic number, because the mean of its divisors is an integer number (100500011055141).
Almost surely, 2201000022110281 is an apocalyptic number.
It is an amenable number.
201000022110281 is a deficient number, since it is larger than the sum of its proper divisors (1).
201000022110281 is an equidigital number, since it uses as much as digits as its factorization.
201000022110281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 201000022110281 its reverse (182011220000102), we get a palindrome (383011242110383).
The spelling of 201000022110281 in words is "two hundred one trillion, twenty-two million, one hundred ten thousand, two hundred eighty-one".
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