Base | Representation |
---|---|
bin | 111111100111010010… |
… | …011101001000110011 |
3 | 20112022021200122020201 |
4 | 333213102131020303 |
5 | 2104342022244100 |
6 | 51213454420031 |
7 | 4635441636205 |
oct | 774722351063 |
9 | 215267618221 |
10 | 68304884275 |
11 | 26a71365591 |
12 | 112a3201617 |
13 | 65971bb2b4 |
14 | 343d842775 |
15 | 1b9b8c436a |
hex | fe749d233 |
68304884275 has 6 divisors (see below), whose sum is σ = 84698056532. Its totient is φ = 54643907400.
The previous prime is 68304884243. The next prime is 68304884281. The reversal of 68304884275 is 57248840386.
It is not a de Polignac number, because 68304884275 - 25 = 68304884243 is a prime.
It is a super-2 number, since 2×683048842752 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1366097661 + ... + 1366097710.
Almost surely, 268304884275 is an apocalyptic number.
68304884275 is a deficient number, since it is larger than the sum of its proper divisors (16393172257).
68304884275 is a wasteful number, since it uses less digits than its factorization.
68304884275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2732195381 (or 2732195376 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 55.
The spelling of 68304884275 in words is "sixty-eight billion, three hundred four million, eight hundred eighty-four thousand, two hundred seventy-five".
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