Base | Representation |
---|---|
bin | 1110011100010… |
… | …00101001000110 |
3 | 22102221211222011 |
4 | 13032020221012 |
5 | 222003132201 |
6 | 20004324434 |
7 | 3000503056 |
oct | 716105106 |
9 | 272854864 |
10 | 121145926 |
11 | 62424800 |
12 | 346a371a |
13 | 1c1386a5 |
14 | 12137566 |
15 | a980151 |
hex | 7388a46 |
121145926 has 12 divisors (see below), whose sum is σ = 199740996. Its totient is φ = 55066220.
The previous prime is 121145897. The next prime is 121145929. The reversal of 121145926 is 629541121.
It is a super-3 number, since 3×1211459263 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121145929) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250060 + ... + 250543.
It is an arithmetic number, because the mean of its divisors is an integer number (16645083).
Almost surely, 2121145926 is an apocalyptic number.
121145926 is a deficient number, since it is larger than the sum of its proper divisors (78595070).
121145926 is a wasteful number, since it uses less digits than its factorization.
121145926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500627 (or 500616 counting only the distinct ones).
The product of its digits is 4320, while the sum is 31.
The square root of 121145926 is about 11006.6310013555. The cubic root of 121145926 is about 494.8074971628.
The spelling of 121145926 in words is "one hundred twenty-one million, one hundred forty-five thousand, nine hundred twenty-six".
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