Base | Representation |
---|---|
bin | 11011100000111101010011… |
… | …010010110011000000011001 |
3 | 120212110122101101101000102122 |
4 | 123200331103102303000121 |
5 | 111330130240324014431 |
6 | 1105212105225511025 |
7 | 34326556446562202 |
oct | 3340752322630031 |
9 | 525418341330378 |
10 | 121012101001241 |
11 | 35615a4226647a |
12 | 116a4b57942475 |
13 | 526a513761478 |
14 | 21c50346a65a9 |
15 | decc0843da7b |
hex | 6e0f534b3019 |
121012101001241 has 2 divisors, whose sum is σ = 121012101001242. Its totient is φ = 121012101001240.
The previous prime is 121012101001201. The next prime is 121012101001243. The reversal of 121012101001241 is 142100101210121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 113261422729225 + 7750678272016 = 10642435^2 + 2784004^2 .
It is an emirp because it is prime and its reverse (142100101210121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 121012101001241 - 26 = 121012101001177 is a prime.
Together with 121012101001243, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (121012101001243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506050500620 + 60506050500621.
It is an arithmetic number, because the mean of its divisors is an integer number (60506050500621).
Almost surely, 2121012101001241 is an apocalyptic number.
It is an amenable number.
121012101001241 is a deficient number, since it is larger than the sum of its proper divisors (1).
121012101001241 is an equidigital number, since it uses as much as digits as its factorization.
121012101001241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 121012101001241 its reverse (142100101210121), we get a palindrome (263112202211362).
The spelling of 121012101001241 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one thousand, two hundred forty-one".
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