Base | Representation |
---|---|
bin | 1110011011111… |
… | …11001011011011 |
3 | 22102212212210111 |
4 | 13031333023123 |
5 | 222000412123 |
6 | 20003425151 |
7 | 3000252052 |
oct | 715771333 |
9 | 272785714 |
10 | 121107163 |
11 | 623a8671 |
12 | 346851b7 |
13 | 1c123b58 |
14 | 12127399 |
15 | a97390d |
hex | 737f2db |
121107163 has 2 divisors, whose sum is σ = 121107164. Its totient is φ = 121107162.
The previous prime is 121107157. The next prime is 121107193. The reversal of 121107163 is 361701121.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121107163 is a prime.
It is not a weakly prime, because it can be changed into another prime (121107113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60553581 + 60553582.
It is an arithmetic number, because the mean of its divisors is an integer number (60553582).
Almost surely, 2121107163 is an apocalyptic number.
121107163 is a deficient number, since it is larger than the sum of its proper divisors (1).
121107163 is an equidigital number, since it uses as much as digits as its factorization.
121107163 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 121107163 is about 11004.8699674281. The cubic root of 121107163 is about 494.7547170992.
Adding to 121107163 its reverse (361701121), we get a palindrome (482808284).
The spelling of 121107163 in words is "one hundred twenty-one million, one hundred seven thousand, one hundred sixty-three".
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