Base | Representation |
---|---|
bin | 110010010000000000001111… |
… | …101010100110110010011111 |
3 | 1001222111121001100001120001122 |
4 | 302100000033222212302133 |
5 | 212431344300100311033 |
6 | 2102010544012401155 |
7 | 64356606030024134 |
oct | 6220001752466237 |
9 | 1058447040046048 |
10 | 221002100010143 |
11 | 64466511a40a51 |
12 | 209538301761bb |
13 | 9641540930aaa |
14 | 3c807b717858b |
15 | 1a83b89c06a98 |
hex | c9000faa6c9f |
221002100010143 has 2 divisors, whose sum is σ = 221002100010144. Its totient is φ = 221002100010142.
The previous prime is 221002100010101. The next prime is 221002100010169. The reversal of 221002100010143 is 341010001200122.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-221002100010143 is a prime.
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 (221002100010173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501050005071 + 110501050005072.
It is an arithmetic number, because the mean of its divisors is an integer number (110501050005072).
Almost surely, 2221002100010143 is an apocalyptic number.
221002100010143 is a deficient number, since it is larger than the sum of its proper divisors (1).
221002100010143 is an equidigital number, since it uses as much as digits as its factorization.
221002100010143 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 221002100010143 its reverse (341010001200122), we get a palindrome (562012101210265).
The spelling of 221002100010143 in words is "two hundred twenty-one trillion, two billion, one hundred million, ten thousand, one hundred forty-three".
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