Base | Representation |
---|---|
bin | 11011100101010101110110… |
… | …000111101101111001011100 |
3 | 120220112102220202112120111020 |
4 | 123211111312013231321130 |
5 | 111400044201222310022 |
6 | 1110002324213124140 |
7 | 34360412324446053 |
oct | 3345256607557134 |
9 | 526472822476436 |
10 | 121313333010012 |
11 | 35721771941140 |
12 | 11733405929650 |
13 | 528ca4b8b0940 |
14 | 21d584d2ab39a |
15 | e05988d5c35c |
hex | 6e55761ede5c |
121313333010012 has 192 divisors, whose sum is σ = 340745363642880. Its totient is φ = 33098067763200.
The previous prime is 121313333010007. The next prime is 121313333010059. The reversal of 121313333010012 is 210010333313121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290995188 + ... + 291411780.
It is an arithmetic number, because the mean of its divisors is an integer number (1774715435640).
Almost surely, 2121313333010012 is an apocalyptic number.
121313333010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121313333010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170372681821440).
121313333010012 is an abundant number, since it is smaller than the sum of its proper divisors (219432030632868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121313333010012 is a wasteful number, since it uses less digits than its factorization.
121313333010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420804 (or 420802 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 121313333010012 its reverse (210010333313121), we get a palindrome (331323666323133).
The spelling of 121313333010012 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-three million, ten thousand, twelve".
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