Base | Representation |
---|---|
bin | 11111010011011110011011… |
… | …00001001100011010101110 |
3 | 100000201221012112012122112222 |
4 | 33221233031201030122232 |
5 | 33010324021023241021 |
6 | 402224052102355342 |
7 | 20333305561006142 |
oct | 1751571541143256 |
9 | 300657175178488 |
10 | 68838888883886 |
11 | 1aa304551700a0 |
12 | 787953072bb52 |
13 | 2c5463022acc4 |
14 | 12ddb6a115222 |
15 | 7e59cdeb26ab |
hex | 3e9bcd84c6ae |
68838888883886 has 64 divisors (see below), whose sum is σ = 114946312550400. Its totient is φ = 30657017109600.
The previous prime is 68838888883873. The next prime is 68838888883901.
68838888883886 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 68838888883792 and 68838888883801.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425746925 + ... + 425908583.
It is an arithmetic number, because the mean of its divisors is an integer number (1796036133600).
Almost surely, 268838888883886 is an apocalyptic number.
68838888883886 is a deficient number, since it is larger than the sum of its proper divisors (46107423666514).
68838888883886 is a wasteful number, since it uses less digits than its factorization.
68838888883886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163445.
The product of its digits is 347892350976, while the sum is 98.
The spelling of 68838888883886 in words is "sixty-eight trillion, eight hundred thirty-eight billion, eight hundred eighty-eight million, eight hundred eighty-three thousand, eight hundred eighty-six".
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