Base | Representation |
---|---|
bin | 111111101011001… |
… | …101111001110101 |
3 | 2202110011221112011 |
4 | 333223031321311 |
5 | 4141440344444 |
6 | 254001124221 |
7 | 35321230015 |
oct | 7753157165 |
9 | 2673157464 |
10 | 1068293749 |
11 | 4a90299a6 |
12 | 259929671 |
13 | 14042c1a3 |
14 | a1c47c45 |
15 | 63bc1734 |
hex | 3facde75 |
1068293749 has 2 divisors, whose sum is σ = 1068293750. Its totient is φ = 1068293748.
The previous prime is 1068293731. The next prime is 1068293771. The reversal of 1068293749 is 9473928601.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1068113124 + 180625 = 32682^2 + 425^2 .
It is a cyclic number.
It is not a de Polignac number, because 1068293749 - 221 = 1066196597 is a prime.
It is a super-2 number, since 2×10682937492 = 2282503068304950002, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1068297749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534146874 + 534146875.
It is an arithmetic number, because the mean of its divisors is an integer number (534146875).
Almost surely, 21068293749 is an apocalyptic number.
It is an amenable number.
1068293749 is a deficient number, since it is larger than the sum of its proper divisors (1).
1068293749 is an equidigital number, since it uses as much as digits as its factorization.
1068293749 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 1068293749 is about 32684.7632544585. The cubic root of 1068293749 is about 1022.2651661495.
The spelling of 1068293749 in words is "one billion, sixty-eight million, two hundred ninety-three thousand, seven hundred forty-nine".
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