Base | Representation |
---|---|
bin | 100001011010101… |
… | …1010111010110101 |
3 | 2220010220221122011 |
4 | 1002311122322311 |
5 | 4244023101044 |
6 | 303133204221 |
7 | 36533615434 |
oct | 10265327265 |
9 | 2803827564 |
10 | 1121300149 |
11 | 525a43442 |
12 | 273630671 |
13 | 14b3cab18 |
14 | a8cc511b |
15 | 68692134 |
hex | 42d5aeb5 |
1121300149 has 2 divisors, whose sum is σ = 1121300150. Its totient is φ = 1121300148.
The previous prime is 1121300129. The next prime is 1121300177. The reversal of 1121300149 is 9410031211.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1068636100 + 52664049 = 32690^2 + 7257^2 .
It is a cyclic number.
It is not a de Polignac number, because 1121300149 - 213 = 1121291957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1121300129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560650074 + 560650075.
It is an arithmetic number, because the mean of its divisors is an integer number (560650075).
Almost surely, 21121300149 is an apocalyptic number.
It is an amenable number.
1121300149 is a deficient number, since it is larger than the sum of its proper divisors (1).
1121300149 is an equidigital number, since it uses as much as digits as its factorization.
1121300149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 1121300149 is about 33485.8201183725. The cubic root of 1121300149 is about 1038.9005111677.
The spelling of 1121300149 in words is "one billion, one hundred twenty-one million, three hundred thousand, one hundred forty-nine".
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