Base | Representation |
---|---|
bin | 101101101100111100111101… |
… | …101111000000111011000111 |
3 | 222100200112020221022001002222 |
4 | 231230330331233000323013 |
5 | 202321200434304021411 |
6 | 1551254403051122555 |
7 | 60223600236626441 |
oct | 5554747557007307 |
9 | 870615227261088 |
10 | 201001210220231 |
11 | 59055153095653 |
12 | 1a66346a74345b |
13 | 88204431b9a65 |
14 | 378c720a9b491 |
15 | 1838781bae4db |
hex | b6cf3dbc0ec7 |
201001210220231 has 2 divisors, whose sum is σ = 201001210220232. Its totient is φ = 201001210220230.
The previous prime is 201001210220207. The next prime is 201001210220267. The reversal of 201001210220231 is 132022012100102.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 201001210220231 - 214 = 201001210203847 is a prime.
It is a super-3 number, since 3×2010012102202313 (a number of 44 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 congruent number.
It is not a weakly prime, because it can be changed into another prime (201001210222231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500605110115 + 100500605110116.
It is an arithmetic number, because the mean of its divisors is an integer number (100500605110116).
Almost surely, 2201001210220231 is an apocalyptic number.
201001210220231 is a deficient number, since it is larger than the sum of its proper divisors (1).
201001210220231 is an equidigital number, since it uses as much as digits as its factorization.
201001210220231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 201001210220231 its reverse (132022012100102), we get a palindrome (333023222320333).
The spelling of 201001210220231 in words is "two hundred one trillion, one billion, two hundred ten million, two hundred twenty thousand, two hundred thirty-one".
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