Base | Representation |
---|---|
bin | 100111010001011… |
… | …0100010111101101 |
3 | 10101211120122111221 |
4 | 1032202310113231 |
5 | 10144321002003 |
6 | 334431543341 |
7 | 44440456321 |
oct | 11642642755 |
9 | 3354518457 |
10 | 1317750253 |
11 | 6169212a6 |
12 | 30938ab51 |
13 | 1800113a1 |
14 | c7021981 |
15 | 7aa497bd |
hex | 4e8b45ed |
1317750253 has 2 divisors, whose sum is σ = 1317750254. Its totient is φ = 1317750252.
The previous prime is 1317750157. The next prime is 1317750271. The reversal of 1317750253 is 3520577131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 847857924 + 469892329 = 29118^2 + 21677^2 .
It is a cyclic number.
It is not a de Polignac number, because 1317750253 - 213 = 1317742061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1317757253) 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, 658875126 + 658875127.
It is an arithmetic number, because the mean of its divisors is an integer number (658875127).
Almost surely, 21317750253 is an apocalyptic number.
It is an amenable number.
1317750253 is a deficient number, since it is larger than the sum of its proper divisors (1).
1317750253 is an equidigital number, since it uses as much as digits as its factorization.
1317750253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22050, while the sum is 34.
The square root of 1317750253 is about 36300.8299216423. The cubic root of 1317750253 is about 1096.3377527097.
The spelling of 1317750253 in words is "one billion, three hundred seventeen million, seven hundred fifty thousand, two hundred fifty-three".
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