Base | Representation |
---|---|
bin | 1110011100001… |
… | …01011111010100 |
3 | 22102221012020212 |
4 | 13032011133110 |
5 | 222002224022 |
6 | 20004144552 |
7 | 3000420320 |
oct | 716053724 |
9 | 272835225 |
10 | 121133012 |
11 | 62416030 |
12 | 34698158 |
13 | 1c132850 |
14 | 12132980 |
15 | a97b3e2 |
hex | 73857d4 |
121133012 has 48 divisors (see below), whose sum is σ = 284629632. Its totient is φ = 43562880.
The previous prime is 121132997. The next prime is 121133017. The reversal of 121133012 is 210331121.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121133017) 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, 11123 + ... + 19130.
It is an arithmetic number, because the mean of its divisors is an integer number (5929784).
Almost surely, 2121133012 is an apocalyptic number.
It is an amenable number.
121133012 is an abundant number, since it is smaller than the sum of its proper divisors (163496620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121133012 is a wasteful number, since it uses less digits than its factorization.
121133012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30288 (or 30286 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 121133012 is about 11006.0443393619. The cubic root of 121133012 is about 494.7899145903.
Adding to 121133012 its reverse (210331121), we get a palindrome (331464133).
The spelling of 121133012 in words is "one hundred twenty-one million, one hundred thirty-three thousand, twelve".
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