Base | Representation |
---|---|
bin | 1001101011111111111011… |
… | …10011101011010011001011 |
3 | 2210102112202202201201100222 |
4 | 10311333331303223103023 |
5 | 10243012021224100321 |
6 | 113150244043420255 |
7 | 4326043136554634 |
oct | 465777563532313 |
9 | 83375682651328 |
10 | 21303001003211 |
11 | 6873608775374 |
12 | 24807b7b2468b |
13 | bb6b31054205 |
14 | 5390dc1d088b |
15 | 26e21749c3ab |
hex | 135ffdceb4cb |
21303001003211 has 2 divisors, whose sum is σ = 21303001003212. Its totient is φ = 21303001003210.
The previous prime is 21303001003057. The next prime is 21303001003303. The reversal of 21303001003211 is 11230010030312.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-21303001003211 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 21303001003211.
It is not a weakly prime, because it can be changed into another prime (21303001003811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651500501605 + 10651500501606.
It is an arithmetic number, because the mean of its divisors is an integer number (10651500501606).
Almost surely, 221303001003211 is an apocalyptic number.
21303001003211 is a deficient number, since it is larger than the sum of its proper divisors (1).
21303001003211 is an equidigital number, since it uses as much as digits as its factorization.
21303001003211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 21303001003211 its reverse (11230010030312), we get a palindrome (32533011033523).
The spelling of 21303001003211 in words is "twenty-one trillion, three hundred three billion, one million, three thousand, two hundred eleven".
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