Base | Representation |
---|---|
bin | 1001001101001000100001… |
… | …0100011001111111111001 |
3 | 1022211120122220212100021212 |
4 | 2103102020110121333321 |
5 | 2311311234340000441 |
6 | 33305343500412505 |
7 | 2063143341344012 |
oct | 223221024317771 |
9 | 38746586770255 |
10 | 10121230000121 |
11 | 3252431525469 |
12 | 117568b547135 |
13 | 58557410c0c6 |
14 | 26dc27974009 |
15 | 128422daceeb |
hex | 93488519ff9 |
10121230000121 has 16 divisors (see below), whose sum is σ = 10228691143440. Its totient is φ = 10013914060800.
The previous prime is 10121230000087. The next prime is 10121230000129. The reversal of 10121230000121 is 12100003212101.
10121230000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 8414849498896 + 1706380501225 = 2900836^2 + 1306285^2 .
It is a cyclic number.
It is not a de Polignac number, because 10121230000121 - 242 = 5723183489017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10121230000096 and 10121230000105.
It is not an unprimeable number, because it can be changed into a prime (10121230000129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400083535 + ... + 1400090763.
It is an arithmetic number, because the mean of its divisors is an integer number (639293196465).
Almost surely, 210121230000121 is an apocalyptic number.
It is an amenable number.
10121230000121 is a deficient number, since it is larger than the sum of its proper divisors (107461143319).
10121230000121 is a wasteful number, since it uses less digits than its factorization.
10121230000121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15244.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 10121230000121 its reverse (12100003212101), we get a palindrome (22221233212222).
The spelling of 10121230000121 in words is "ten trillion, one hundred twenty-one billion, two hundred thirty million, one hundred twenty-one", and thus it is an aban number.
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