Base | Representation |
---|---|
bin | 11011100000111101011001… |
… | …010100100000010000001101 |
3 | 120212110122122102121222100001 |
4 | 123200331121110200100031 |
5 | 111330130442220041023 |
6 | 1105212123241004301 |
7 | 34326562115161612 |
oct | 3340753124402015 |
9 | 525418572558301 |
10 | 121012202112013 |
11 | 35615a943464a3 |
12 | 116a4b85783691 |
13 | 526a52b6a3724 |
14 | 21c5043ca6509 |
15 | decc122626ad |
hex | 6e0f5952040d |
121012202112013 has 2 divisors, whose sum is σ = 121012202112014. Its totient is φ = 121012202112012.
The previous prime is 121012202111963. The next prime is 121012202112031. The reversal of 121012202112013 is 310211202210121.
Together with next prime (121012202112031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 117710066228329 + 3302135883684 = 10849427^2 + 1817178^2 .
It is a cyclic number.
It is not a de Polignac number, because 121012202112013 - 229 = 121011665241101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121012208112013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506101056006 + 60506101056007.
It is an arithmetic number, because the mean of its divisors is an integer number (60506101056007).
Almost surely, 2121012202112013 is an apocalyptic number.
It is an amenable number.
121012202112013 is a deficient number, since it is larger than the sum of its proper divisors (1).
121012202112013 is an equidigital number, since it uses as much as digits as its factorization.
121012202112013 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 19.
Adding to 121012202112013 its reverse (310211202210121), we get a palindrome (431223404322134).
The spelling of 121012202112013 in words is "one hundred twenty-one trillion, twelve billion, two hundred two million, one hundred twelve thousand, thirteen".
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