Base | Representation |
---|---|
bin | 11011100011111111000010… |
… | …111010011110010010010001 |
3 | 120220012112100102120221211221 |
4 | 123203333002322132102101 |
5 | 111342032312304301223 |
6 | 1105451432050205041 |
7 | 34350602610015025 |
oct | 3343770272362221 |
9 | 526175312527757 |
10 | 121220132103313 |
11 | 35696195408511 |
12 | 11719334b83781 |
13 | 5284017893239 |
14 | 21d112b22a385 |
15 | e033319a3b5d |
hex | 6e3fc2e9e491 |
121220132103313 has 48 divisors (see below), whose sum is σ = 131333114223360. Its totient is φ = 111810519735552.
The previous prime is 121220132103263. The next prime is 121220132103319. The reversal of 121220132103313 is 313301231022121.
It is not a de Polignac number, because 121220132103313 - 217 = 121220131972241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121220132103319) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 626127595 + ... + 626321167.
It is an arithmetic number, because the mean of its divisors is an integer number (2736106546320).
Almost surely, 2121220132103313 is an apocalyptic number.
It is an amenable number.
121220132103313 is a deficient number, since it is larger than the sum of its proper divisors (10112982120047).
121220132103313 is a wasteful number, since it uses less digits than its factorization.
121220132103313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194038 (or 194015 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 121220132103313 its reverse (313301231022121), we get a palindrome (434521363125434).
The spelling of 121220132103313 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred thirty-two million, one hundred three thousand, three hundred thirteen".
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