Base | Representation |
---|---|
bin | 1110011101000… |
… | …00111101101100 |
3 | 22110010220121212 |
4 | 13032200331230 |
5 | 222014324143 |
6 | 20010413552 |
7 | 3001366364 |
oct | 716407554 |
9 | 273126555 |
10 | 121245548 |
11 | 62492636 |
12 | 347312b8 |
13 | 1c171b38 |
14 | 121619a4 |
15 | a99e918 |
hex | 73a0f6c |
121245548 has 12 divisors (see below), whose sum is σ = 213729432. Its totient is φ = 60180000.
The previous prime is 121245541. The next prime is 121245583. The reversal of 121245548 is 845542121.
It is not an unprimeable number, because it can be changed into a prime (121245541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110078 + ... + 111173.
It is an arithmetic number, because the mean of its divisors is an integer number (17810786).
Almost surely, 2121245548 is an apocalyptic number.
It is an amenable number.
121245548 is a deficient number, since it is larger than the sum of its proper divisors (92483884).
121245548 is a wasteful number, since it uses less digits than its factorization.
121245548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221392 (or 221390 counting only the distinct ones).
The product of its digits is 12800, while the sum is 32.
The square root of 121245548 is about 11011.1556160105. The cubic root of 121245548 is about 494.9430917810.
Adding to 121245548 its reverse (845542121), we get a palindrome (966787669).
The spelling of 121245548 in words is "one hundred twenty-one million, two hundred forty-five thousand, five hundred forty-eight".
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