Base | Representation |
---|---|
bin | 10010101000001101… |
… | …10100111000001111 |
3 | 221210222122221211212 |
4 | 21110012310320033 |
5 | 130440224311231 |
6 | 4332220205035 |
7 | 502556120054 |
oct | 112406647017 |
9 | 27728587755 |
10 | 10001010191 |
11 | 4272344a87 |
12 | 1b3139977b |
13 | c34c82213 |
14 | 6ac34702b |
15 | 3d800c42b |
hex | 2541b4e0f |
10001010191 has 2 divisors, whose sum is σ = 10001010192. Its totient is φ = 10001010190.
The previous prime is 10001010163. The next prime is 10001010247. The reversal of 10001010191 is 19101010001.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (19101010001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10001010191 - 218 = 10000748047 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10001310191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000505095 + 5000505096.
It is an arithmetic number, because the mean of its divisors is an integer number (5000505096).
Almost surely, 210001010191 is an apocalyptic number.
10001010191 is a deficient number, since it is larger than the sum of its proper divisors (1).
10001010191 is an equidigital number, since it uses as much as digits as its factorization.
10001010191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9, while the sum is 14.
Adding to 10001010191 its reverse (19101010001), we get a palindrome (29102020192).
The spelling of 10001010191 in words is "ten billion, one million, ten thousand, one hundred ninety-one".
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