Base | Representation |
---|---|
bin | 1100010110001000110… |
… | …1001110100111010001 |
3 | 202021110200111211020122 |
4 | 3011202031032213101 |
5 | 11433340331014101 |
6 | 241234325120025 |
7 | 21216030012566 |
oct | 3054215164721 |
9 | 667420454218 |
10 | 212101032401 |
11 | 81a51559a25 |
12 | 35134259015 |
13 | 1700239938b |
14 | a3a12bc86d |
15 | 57b5a0051b |
hex | 316234e9d1 |
212101032401 has 2 divisors, whose sum is σ = 212101032402. Its totient is φ = 212101032400.
The previous prime is 212101032383. The next prime is 212101032413. The reversal of 212101032401 is 104230101212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 200167654801 + 11933377600 = 447401^2 + 109240^2 .
It is a cyclic number.
It is not a de Polignac number, because 212101032401 - 26 = 212101032337 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212101032401.
It is not a weakly prime, because it can be changed into another prime (212101032601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050516200 + 106050516201.
It is an arithmetic number, because the mean of its divisors is an integer number (106050516201).
Almost surely, 2212101032401 is an apocalyptic number.
It is an amenable number.
212101032401 is a deficient number, since it is larger than the sum of its proper divisors (1).
212101032401 is an equidigital number, since it uses as much as digits as its factorization.
212101032401 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 212101032401 its reverse (104230101212), we get a palindrome (316331133613).
The spelling of 212101032401 in words is "two hundred twelve billion, one hundred one million, thirty-two thousand, four hundred one".
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