Base | Representation |
---|---|
bin | 111100011100111… |
… | …100101111101001 |
3 | 2121200102210202102 |
4 | 330130330233221 |
5 | 4034120044201 |
6 | 244350143145 |
7 | 34063512605 |
oct | 7434745751 |
9 | 2550383672 |
10 | 1014221801 |
11 | 48055793a |
12 | 2437b1ab5 |
13 | 132179558 |
14 | 989b0505 |
15 | 5e09026b |
hex | 3c73cbe9 |
1014221801 has 2 divisors, whose sum is σ = 1014221802. Its totient is φ = 1014221800.
The previous prime is 1014221773. The next prime is 1014221809. The reversal of 1014221801 is 1081224101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 741146176 + 273075625 = 27224^2 + 16525^2 .
It is a cyclic number.
It is not a de Polignac number, because 1014221801 - 214 = 1014205417 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1014221809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507110900 + 507110901.
It is an arithmetic number, because the mean of its divisors is an integer number (507110901).
Almost surely, 21014221801 is an apocalyptic number.
It is an amenable number.
1014221801 is a deficient number, since it is larger than the sum of its proper divisors (1).
1014221801 is an equidigital number, since it uses as much as digits as its factorization.
1014221801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 1014221801 is about 31846.8491534092. The cubic root of 1014221801 is about 1004.7183029372.
Adding to 1014221801 its reverse (1081224101), we get a palindrome (2095445902).
The spelling of 1014221801 in words is "one billion, fourteen million, two hundred twenty-one thousand, eight hundred one".
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