Base | Representation |
---|---|
bin | 111000011111011010… |
… | …1001101111000111001 |
3 | 102121010112020012200202 |
4 | 1300332311031320321 |
5 | 3441422141102301 |
6 | 131421443211545 |
7 | 11523153242363 |
oct | 1607665157071 |
9 | 377115205622 |
10 | 121313222201 |
11 | 474a3173426 |
12 | 1b617676bb5 |
13 | b5942a1722 |
14 | 5c2b909d33 |
15 | 325040866b |
hex | 1c3ed4de39 |
121313222201 has 8 divisors (see below), whose sum is σ = 121665116160. Its totient is φ = 120961406592.
The previous prime is 121313222179. The next prime is 121313222237. The reversal of 121313222201 is 102222313121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121313222201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121313222291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4719881 + ... + 4745513.
It is an arithmetic number, because the mean of its divisors is an integer number (15208139520).
Almost surely, 2121313222201 is an apocalyptic number.
It is an amenable number.
121313222201 is a deficient number, since it is larger than the sum of its proper divisors (351893959).
121313222201 is a wasteful number, since it uses less digits than its factorization.
121313222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39175.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 121313222201 its reverse (102222313121), we get a palindrome (223535535322).
The spelling of 121313222201 in words is "one hundred twenty-one billion, three hundred thirteen million, two hundred twenty-two thousand, two hundred one".
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