Base | Representation |
---|---|
bin | 11101001000100100011… |
… | …10101100001110111011 |
3 | 10112200211201121111022101 |
4 | 32210102032230032323 |
5 | 112400104001033201 |
6 | 2043511320004231 |
7 | 132215351662213 |
oct | 16442216541673 |
9 | 3480751544271 |
10 | 1001033221051 |
11 | 35659917a196 |
12 | 142010000677 |
13 | 73521367b46 |
14 | 36643761243 |
15 | 1b08c30ad01 |
hex | e9123ac3bb |
1001033221051 has 2 divisors, whose sum is σ = 1001033221052. Its totient is φ = 1001033221050.
The previous prime is 1001033221049. The next prime is 1001033221063. The reversal of 1001033221051 is 1501223301001.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1001033221051 - 21 = 1001033221049 is a prime.
Together with 1001033221049, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1001033225051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500516610525 + 500516610526.
It is an arithmetic number, because the mean of its divisors is an integer number (500516610526).
Almost surely, 21001033221051 is an apocalyptic number.
1001033221051 is a deficient number, since it is larger than the sum of its proper divisors (1).
1001033221051 is an equidigital number, since it uses as much as digits as its factorization.
1001033221051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 180, while the sum is 19.
Adding to 1001033221051 its reverse (1501223301001), we get a palindrome (2502256522052).
The spelling of 1001033221051 in words is "one trillion, one billion, thirty-three million, two hundred twenty-one thousand, fifty-one".
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