Base | Representation |
---|---|
bin | 111111100111011101… |
… | …100101111001100110 |
3 | 20112022111011222000102 |
4 | 333213131211321212 |
5 | 2104343244210000 |
6 | 51214041144102 |
7 | 4635505515614 |
oct | 774735457146 |
9 | 215274158012 |
10 | 68307803750 |
11 | 26a72a79a7a |
12 | 112a418b032 |
13 | 65979a10b4 |
14 | 343dda26b4 |
15 | 1b9bc9e3d5 |
hex | fe7765e66 |
68307803750 has 20 divisors (see below), whose sum is σ = 128036149692. Its totient is φ = 27323121000.
The previous prime is 68307803749. The next prime is 68307803777. The reversal of 68307803750 is 5730870386.
It is a junction number, because it is equal to n+sod(n) for n = 68307803695 and 68307803704.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27321872 + ... + 27324371.
Almost surely, 268307803750 is an apocalyptic number.
68307803750 is a deficient number, since it is larger than the sum of its proper divisors (59728345942).
68307803750 is an equidigital number, since it uses as much as digits as its factorization.
68307803750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54646265 (or 54646250 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 47.
The spelling of 68307803750 in words is "sixty-eight billion, three hundred seven million, eight hundred three thousand, seven hundred fifty".
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