Base | Representation |
---|---|
bin | 10111111101100… |
… | …11001101001001 |
3 | 112000020110200102 |
4 | 23332303031021 |
5 | 402424341131 |
6 | 31540215145 |
7 | 4660400636 |
oct | 1376631511 |
9 | 460213612 |
10 | 201012041 |
11 | a351435a |
12 | 5739a4b5 |
13 | 3284cb49 |
14 | 1c9a718d |
15 | 129a91cb |
hex | bfb3349 |
201012041 has 4 divisors (see below), whose sum is σ = 201054084. Its totient is φ = 200970000.
The previous prime is 201011983. The next prime is 201012047. The reversal of 201012041 is 140210102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140210102 = 2 ⋅70105051.
It can be written as a sum of positive squares in 2 ways, for example, as 194742025 + 6270016 = 13955^2 + 2504^2 .
It is a cyclic number.
It is not a de Polignac number, because 201012041 - 214 = 200995657 is a prime.
It is a super-3 number, since 3×2010120413 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201012047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770 + ... + 23771.
It is an arithmetic number, because the mean of its divisors is an integer number (50263521).
Almost surely, 2201012041 is an apocalyptic number.
It is an amenable number.
201012041 is a deficient number, since it is larger than the sum of its proper divisors (42043).
201012041 is an equidigital number, since it uses as much as digits as its factorization.
201012041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42042.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 201012041 is about 14177.8715257263. The cubic root of 201012041 is about 585.7882971062.
Adding to 201012041 its reverse (140210102), we get a palindrome (341222143).
The spelling of 201012041 in words is "two hundred one million, twelve thousand, forty-one".
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