Base | Representation |
---|---|
bin | 101101000010… |
… | …110011101001 |
3 | 211012220111111 |
4 | 231002303221 |
5 | 11010323402 |
6 | 1101030321 |
7 | 202236406 |
oct | 55026351 |
9 | 24186444 |
10 | 11807977 |
11 | 6735565 |
12 | 3b553a1 |
13 | 25a578c |
14 | 17d52ad |
15 | 10839d7 |
hex | b42ce9 |
11807977 has 2 divisors, whose sum is σ = 11807978. Its totient is φ = 11807976.
The previous prime is 11807941. The next prime is 11807989. The reversal of 11807977 is 77970811.
11807977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11634921 + 173056 = 3411^2 + 416^2 .
It is an emirp because it is prime and its reverse (77970811) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11807977 - 215 = 11775209 is a prime.
It is not a weakly prime, because it can be changed into another prime (11807777) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903988 + 5903989.
It is an arithmetic number, because the mean of its divisors is an integer number (5903989).
Almost surely, 211807977 is an apocalyptic number.
It is an amenable number.
11807977 is a deficient number, since it is larger than the sum of its proper divisors (1).
11807977 is an equidigital number, since it uses as much as digits as its factorization.
11807977 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24696, while the sum is 40.
The square root of 11807977 is about 3436.2737085395. The cubic root of 11807977 is about 227.7151014721.
The spelling of 11807977 in words is "eleven million, eight hundred seven thousand, nine hundred seventy-seven".
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