Base | Representation |
---|---|
bin | 1110011011100… |
… | …00111011000100 |
3 | 22102202220200212 |
4 | 13031300323010 |
5 | 221442030042 |
6 | 20002254552 |
7 | 2666616605 |
oct | 715607304 |
9 | 272686625 |
10 | 121048772 |
11 | 62368809 |
12 | 34657458 |
13 | 1c1033c0 |
14 | 1210ddac |
15 | a961482 |
hex | 7370ec4 |
121048772 has 48 divisors (see below), whose sum is σ = 254298240. Its totient is φ = 49807872.
The previous prime is 121048771. The next prime is 121048783. The reversal of 121048772 is 277840121.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (121048771) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13193 + ... + 20399.
It is an arithmetic number, because the mean of its divisors is an integer number (5297880).
Almost surely, 2121048772 is an apocalyptic number.
It is an amenable number.
121048772 is an abundant number, since it is smaller than the sum of its proper divisors (133249468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121048772 is a wasteful number, since it uses less digits than its factorization.
121048772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7260 (or 7258 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 32.
The square root of 121048772 is about 11002.2166857411. The cubic root of 121048772 is about 494.6751901025.
Adding to 121048772 its reverse (277840121), we get a palindrome (398888893).
The spelling of 121048772 in words is "one hundred twenty-one million, forty-eight thousand, seven hundred seventy-two".
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