Base | Representation |
---|---|
bin | 111111101011001… |
… | …101111001100011 |
3 | 2202110011221111111 |
4 | 333223031321203 |
5 | 4141440344411 |
6 | 254001124151 |
7 | 35321226661 |
oct | 7753157143 |
9 | 2673157444 |
10 | 1068293731 |
11 | 4a902998a |
12 | 259929657 |
13 | 14042c18b |
14 | a1c47c31 |
15 | 63bc1721 |
hex | 3facde63 |
1068293731 has 2 divisors, whose sum is σ = 1068293732. Its totient is φ = 1068293730.
The previous prime is 1068293693. The next prime is 1068293749. The reversal of 1068293731 is 1373928601.
It is a strong prime.
It is an emirp because it is prime and its reverse (1373928601) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1068293731 - 217 = 1068162659 is a prime.
It is a super-2 number, since 2×10682937312 = 2282502991387800722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1068293771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534146865 + 534146866.
It is an arithmetic number, because the mean of its divisors is an integer number (534146866).
Almost surely, 21068293731 is an apocalyptic number.
1068293731 is a deficient number, since it is larger than the sum of its proper divisors (1).
1068293731 is an equidigital number, since it uses as much as digits as its factorization.
1068293731 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 1068293731 is about 32684.7629791008. The cubic root of 1068293731 is about 1022.2651604080.
The spelling of 1068293731 in words is "one billion, sixty-eight million, two hundred ninety-three thousand, seven hundred thirty-one".
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