Base | Representation |
---|---|
bin | 100111001110101… |
… | …0000101000110001 |
3 | 10101201211121202212 |
4 | 1032131100220301 |
5 | 10143432340134 |
6 | 334340421505 |
7 | 44422210262 |
oct | 11635205061 |
9 | 3351747685 |
10 | 1316293169 |
11 | 6160165a4 |
12 | 3089a7895 |
13 | 17c9210c9 |
14 | c6b62969 |
15 | 7a85cbce |
hex | 4e750a31 |
1316293169 has 2 divisors, whose sum is σ = 1316293170. Its totient is φ = 1316293168.
The previous prime is 1316293141. The next prime is 1316293219. The reversal of 1316293169 is 9613926131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1159743025 + 156550144 = 34055^2 + 12512^2 .
It is an emirp because it is prime and its reverse (9613926131) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1316293169 is a prime.
It is a super-2 number, since 2×13162931692 = 3465255413512125122, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1316293469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658146584 + 658146585.
It is an arithmetic number, because the mean of its divisors is an integer number (658146585).
Almost surely, 21316293169 is an apocalyptic number.
It is an amenable number.
1316293169 is a deficient number, since it is larger than the sum of its proper divisors (1).
1316293169 is an equidigital number, since it uses as much as digits as its factorization.
1316293169 is an evil number, because the sum of its binary digits is even.
The product of its digits is 52488, while the sum is 41.
The square root of 1316293169 is about 36280.7548019608. The cubic root of 1316293169 is about 1095.9335169438.
The spelling of 1316293169 in words is "one billion, three hundred sixteen million, two hundred ninety-three thousand, one hundred sixty-nine".
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