Base | Representation |
---|---|
bin | 11111010100111011000001… |
… | …00100101011100011110110 |
3 | 100000220200112000201222221221 |
4 | 33222131200210223203312 |
5 | 33012132323234021021 |
6 | 402302553011100554 |
7 | 20340015513250216 |
oct | 1752354044534366 |
9 | 300820460658857 |
10 | 68888600688886 |
11 | 1aa4a545191a60 |
12 | 78870a4ba175a |
13 | 2c59223374234 |
14 | 1302324466246 |
15 | 7e6e3d3cb241 |
hex | 3ea76092b8f6 |
68888600688886 has 64 divisors (see below), whose sum is σ = 120710986433856. Its totient is φ = 29138818867200.
The previous prime is 68888600688871. The next prime is 68888600688907.
It is a happy number.
68888600688886 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 68888600688797 and 68888600688806.
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, 8769886 + ... + 14652238.
It is an arithmetic number, because the mean of its divisors is an integer number (1886109163029).
Almost surely, 268888600688886 is an apocalyptic number.
68888600688886 is a deficient number, since it is larger than the sum of its proper divisors (51822385744970).
68888600688886 is a wasteful number, since it uses less digits than its factorization.
68888600688886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5882737.
The product of its (nonzero) digits is 21743271936, while the sum is 88.
It can be divided in two parts, 68888600 and 688886, that multiplied together give a square (47456392099600 = 68888602).
The spelling of 68888600688886 in words is "sixty-eight trillion, eight hundred eighty-eight billion, six hundred million, six hundred eighty-eight thousand, eight hundred eighty-six".
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