Base | Representation |
---|---|
bin | 111111010111111011… |
… | …101000011100000011 |
3 | 20111122022220002212200 |
4 | 333113323220130003 |
5 | 2103330043234021 |
6 | 51132132324243 |
7 | 4626163010406 |
oct | 772773503403 |
9 | 214568802780 |
10 | 68047243011 |
11 | 26949992920 |
12 | 11230a73683 |
13 | 6555a01847 |
14 | 3417537d3d |
15 | 1b83e81126 |
hex | fd7ee8703 |
68047243011 has 24 divisors (see below), whose sum is σ = 107408718144. Its totient is φ = 41170461360.
The previous prime is 68047242911. The next prime is 68047243013. The reversal of 68047243011 is 11034274086.
It is not a de Polignac number, because 68047243011 - 217 = 68047111939 is a prime.
It is a super-2 number, since 2×680472430112 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68047243013) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527361 + ... + 643586.
It is an arithmetic number, because the mean of its divisors is an integer number (4475363256).
Almost surely, 268047243011 is an apocalyptic number.
68047243011 is a deficient number, since it is larger than the sum of its proper divisors (39361475133).
68047243011 is a wasteful number, since it uses less digits than its factorization.
68047243011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1171551 (or 1171548 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 68047243011 in words is "sixty-eight billion, forty-seven million, two hundred forty-three thousand, eleven".
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