Base | Representation |
---|---|
bin | 1110011101111… |
… | …10111011001101 |
3 | 22110101010222002 |
4 | 13032332323031 |
5 | 222032241034 |
6 | 20013202045 |
7 | 3002420231 |
oct | 716767315 |
9 | 273333862 |
10 | 121368269 |
11 | 62566860 |
12 | 34790325 |
13 | 1c1b5959 |
14 | 121945c1 |
15 | a9c5e7e |
hex | 73beecd |
121368269 has 8 divisors (see below), whose sum is σ = 132641280. Its totient is φ = 110135200.
The previous prime is 121368211. The next prime is 121368271. The reversal of 121368269 is 962863121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121368269 - 216 = 121302733 is a prime.
It is a super-2 number, since 2×1213682692 = 29460513440112722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121368209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 15954.
It is an arithmetic number, because the mean of its divisors is an integer number (16580160).
Almost surely, 2121368269 is an apocalyptic number.
It is an amenable number.
121368269 is a deficient number, since it is larger than the sum of its proper divisors (11273011).
121368269 is a wasteful number, since it uses less digits than its factorization.
121368269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19971.
The product of its digits is 31104, while the sum is 38.
The square root of 121368269 is about 11016.7267824885. The cubic root of 121368269 is about 495.1100241775.
The spelling of 121368269 in words is "one hundred twenty-one million, three hundred sixty-eight thousand, two hundred sixty-nine".
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