Base | Representation |
---|---|
bin | 1110100001011… |
… | …10111111001000 |
3 | 22111020110121012 |
4 | 13100232333020 |
5 | 222141433042 |
6 | 20031103052 |
7 | 3006341360 |
oct | 720567710 |
9 | 274213535 |
10 | 121827272 |
11 | 6284a6a6 |
12 | 34971a88 |
13 | 1c316858 |
14 | 122739a0 |
15 | aa66e82 |
hex | 742efc8 |
121827272 has 32 divisors (see below), whose sum is σ = 269483520. Its totient is φ = 50526720.
The previous prime is 121827227. The next prime is 121827283. The reversal of 121827272 is 272728121.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33353 + ... + 36824.
It is an arithmetic number, because the mean of its divisors is an integer number (8421360).
Almost surely, 2121827272 is an apocalyptic number.
It is an amenable number.
121827272 is an abundant number, since it is smaller than the sum of its proper divisors (147656248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121827272 is a wasteful number, since it uses less digits than its factorization.
121827272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70221 (or 70217 counting only the distinct ones).
The product of its digits is 6272, while the sum is 32.
The square root of 121827272 is about 11037.5392185034. The cubic root of 121827272 is about 495.7333916655.
The spelling of 121827272 in words is "one hundred twenty-one million, eight hundred twenty-seven thousand, two hundred seventy-two".
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