Base | Representation |
---|---|
bin | 1110011011100… |
… | …00111011000011 |
3 | 22102202220200211 |
4 | 13031300323003 |
5 | 221442030041 |
6 | 20002254551 |
7 | 2666616604 |
oct | 715607303 |
9 | 272686624 |
10 | 121048771 |
11 | 62368808 |
12 | 34657457 |
13 | 1c1033bc |
14 | 1210ddab |
15 | a961481 |
hex | 7370ec3 |
121048771 has 2 divisors, whose sum is σ = 121048772. Its totient is φ = 121048770.
The previous prime is 121048729. The next prime is 121048783. The reversal of 121048771 is 177840121.
It is a strong prime.
It is an emirp because it is prime and its reverse (177840121) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121048771 is a prime.
It is a super-2 number, since 2×1210487712 = 29305609921220882, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (121048271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60524385 + 60524386.
It is an arithmetic number, because the mean of its divisors is an integer number (60524386).
Almost surely, 2121048771 is an apocalyptic number.
121048771 is a deficient number, since it is larger than the sum of its proper divisors (1).
121048771 is an equidigital number, since it uses as much as digits as its factorization.
121048771 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3136, while the sum is 31.
The square root of 121048771 is about 11002.2166402957. The cubic root of 121048771 is about 494.6751887403.
Adding to 121048771 its reverse (177840121), we get a palindrome (298888892).
The spelling of 121048771 in words is "one hundred twenty-one million, forty-eight thousand, seven hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •