Base | Representation |
---|---|
bin | 111110100101011… |
… | …011101011001001 |
3 | 2201011202112022121 |
4 | 332211123223021 |
5 | 4122300000243 |
6 | 252105051241 |
7 | 35006565463 |
oct | 7645335311 |
9 | 2634675277 |
10 | 1050000073 |
11 | 499774661 |
12 | 253786b21 |
13 | 1396c5625 |
14 | 9d645133 |
15 | 622ab1ed |
hex | 3e95bac9 |
1050000073 has 2 divisors, whose sum is σ = 1050000074. Its totient is φ = 1050000072.
The previous prime is 1050000047. The next prime is 1050000079. The reversal of 1050000073 is 3700000501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 606981769 + 443018304 = 24637^2 + 21048^2 .
It is a cyclic number.
It is not a de Polignac number, because 1050000073 - 25 = 1050000041 is a prime.
It is a super-2 number, since 2×10500000732 = 2205000306600010658, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1050000079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525000036 + 525000037.
It is an arithmetic number, because the mean of its divisors is an integer number (525000037).
Almost surely, 21050000073 is an apocalyptic number.
It is an amenable number.
1050000073 is a deficient number, since it is larger than the sum of its proper divisors (1).
1050000073 is an equidigital number, since it uses as much as digits as its factorization.
1050000073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 105, while the sum is 16.
The square root of 1050000073 is about 32403.7046184537. The cubic root of 1050000073 is about 1016.3963803694.
Adding to 1050000073 its reverse (3700000501), we get a palindrome (4750000574).
The spelling of 1050000073 in words is "one billion, fifty million, seventy-three", and thus it is an aban number and an uban number.
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