Base | Representation |
---|---|
bin | 1110011100001… |
… | …11110001000101 |
3 | 22102221200001101 |
4 | 13032013301011 |
5 | 222003023331 |
6 | 20004300101 |
7 | 3000456445 |
oct | 716076105 |
9 | 272850041 |
10 | 121142341 |
11 | 62422041 |
12 | 346a1631 |
13 | 1c136b78 |
14 | 12136125 |
15 | a97e061 |
hex | 7387c45 |
121142341 has 2 divisors, whose sum is σ = 121142342. Its totient is φ = 121142340.
The previous prime is 121142321. The next prime is 121142353. The reversal of 121142341 is 143241121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101304225 + 19838116 = 10065^2 + 4454^2 .
It is a cyclic number.
It is not a de Polignac number, because 121142341 - 213 = 121134149 is a prime.
It is a super-3 number, since 3×1211423413 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121142321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60571170 + 60571171.
It is an arithmetic number, because the mean of its divisors is an integer number (60571171).
Almost surely, 2121142341 is an apocalyptic number.
It is an amenable number.
121142341 is a deficient number, since it is larger than the sum of its proper divisors (1).
121142341 is an equidigital number, since it uses as much as digits as its factorization.
121142341 is an evil number, because the sum of its binary digits is even.
The product of its digits is 192, while the sum is 19.
The square root of 121142341 is about 11006.4681437780. The cubic root of 121142341 is about 494.8026162658.
Adding to 121142341 its reverse (143241121), we get a palindrome (264383462).
The spelling of 121142341 in words is "one hundred twenty-one million, one hundred forty-two thousand, three hundred forty-one".
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