Base | Representation |
---|---|
bin | 111000011111011010… |
… | …1100011011001011101 |
3 | 102121010112101200112201 |
4 | 1300332311203121131 |
5 | 3441422201412201 |
6 | 131421445131501 |
7 | 11523154060261 |
oct | 1607665433135 |
9 | 377115350481 |
10 | 121313310301 |
11 | 474a3223637 |
12 | 1b6176b9b91 |
13 | b594302861 |
14 | 5c2b9300a1 |
15 | 3250424801 |
hex | 1c3ed6365d |
121313310301 has 4 divisors (see below), whose sum is σ = 121331009052. Its totient is φ = 121295611552.
The previous prime is 121313310281. The next prime is 121313310347. The reversal of 121313310301 is 103013313121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1717688025 + 119595622276 = 41445^2 + 345826^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121313310301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121313410301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8839090 + ... + 8852803.
It is an arithmetic number, because the mean of its divisors is an integer number (30332752263).
Almost surely, 2121313310301 is an apocalyptic number.
It is an amenable number.
121313310301 is a deficient number, since it is larger than the sum of its proper divisors (17698751).
121313310301 is an equidigital number, since it uses as much as digits as its factorization.
121313310301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17698750.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 121313310301 its reverse (103013313121), we get a palindrome (224326623422).
The spelling of 121313310301 in words is "one hundred twenty-one billion, three hundred thirteen million, three hundred ten thousand, three hundred one".
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