Base | Representation |
---|---|
bin | 1110011100000… |
… | …10011000100101 |
3 | 22102220112210210 |
4 | 13032002120211 |
5 | 222001322133 |
6 | 20004010033 |
7 | 3000335250 |
oct | 716023045 |
9 | 272815723 |
10 | 121120293 |
11 | 62407518 |
12 | 34690919 |
13 | 1c129b18 |
14 | 1212c097 |
15 | a977763 |
hex | 7382625 |
121120293 has 32 divisors (see below), whose sum is σ = 190688256. Its totient is φ = 66947328.
The previous prime is 121120261. The next prime is 121120297. The reversal of 121120293 is 392021121.
It is not a de Polignac number, because 121120293 - 25 = 121120261 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121120297) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101446 + ... + 102632.
It is an arithmetic number, because the mean of its divisors is an integer number (5959008).
Almost surely, 2121120293 is an apocalyptic number.
It is an amenable number.
121120293 is a deficient number, since it is larger than the sum of its proper divisors (69567963).
121120293 is a wasteful number, since it uses less digits than its factorization.
121120293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1353.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 121120293 is about 11005.4665053327. The cubic root of 121120293 is about 494.7725962912.
The spelling of 121120293 in words is "one hundred twenty-one million, one hundred twenty thousand, two hundred ninety-three".
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