Base | Representation |
---|---|
bin | 111000100000001101… |
… | …1011110110101100000 |
3 | 102121012101200012111110 |
4 | 1301000123132311200 |
5 | 3442001021432204 |
6 | 131424241543320 |
7 | 11523630145203 |
oct | 1610033366540 |
9 | 377171605443 |
10 | 121340030304 |
11 | 47507313789 |
12 | 1b624644b40 |
13 | b5999c98cc |
14 | 5c312c793a |
15 | 3252951889 |
hex | 1c406ded60 |
121340030304 has 96 divisors (see below), whose sum is σ = 331158240000. Its totient is φ = 38855545344.
The previous prime is 121340030299. The next prime is 121340030311. The reversal of 121340030304 is 403030043121.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444507 + ... + 663525.
It is an arithmetic number, because the mean of its divisors is an integer number (3449565000).
Almost surely, 2121340030304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121340030304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165579120000).
121340030304 is an abundant number, since it is smaller than the sum of its proper divisors (209818209696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121340030304 is a wasteful number, since it uses less digits than its factorization.
121340030304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219260 (or 219252 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 121340030304 its reverse (403030043121), we get a palindrome (524370073425).
The spelling of 121340030304 in words is "one hundred twenty-one billion, three hundred forty million, thirty thousand, three hundred four".
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