Base | Representation |
---|---|
bin | 1110011100110… |
… | …00110001101110 |
3 | 22110002012121212 |
4 | 13032120301232 |
5 | 222012241024 |
6 | 20005554422 |
7 | 3001166540 |
oct | 716306156 |
9 | 273065555 |
10 | 121212014 |
11 | 6246a420 |
12 | 34715a12 |
13 | 1c15c7b1 |
14 | 12153690 |
15 | a994a0e |
hex | 7398c6e |
121212014 has 16 divisors (see below), whose sum is σ = 226682496. Its totient is φ = 47225400.
The previous prime is 121211999. The next prime is 121212017. The reversal of 121212014 is 410212121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a self number, because there is not a number n which added to its sum of digits gives 121212014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121212017) 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, 393392 + ... + 393699.
It is an arithmetic number, because the mean of its divisors is an integer number (14167656).
Almost surely, 2121212014 is an apocalyptic number.
121212014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
121212014 is a deficient number, since it is larger than the sum of its proper divisors (105470482).
121212014 is a wasteful number, since it uses less digits than its factorization.
121212014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 787111.
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 121212014 is about 11009.6327822503. The cubic root of 121212014 is about 494.8974572476.
Adding to 121212014 its reverse (410212121), we get a palindrome (531424135).
The spelling of 121212014 in words is "one hundred twenty-one million, two hundred twelve thousand, fourteen".
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