Base | Representation |
---|---|
bin | 100000000101000000… |
… | …1101000111110100110 |
3 | 20120210220022200011022 |
4 | 1000022001220332212 |
5 | 2112040221211021 |
6 | 51351354011142 |
7 | 4656046415645 |
oct | 1001201507646 |
9 | 216726280138 |
10 | 68887678886 |
11 | 27240331824 |
12 | 11426416ab2 |
13 | 665ab71790 |
14 | 3496dcb35c |
15 | 1bd2b441ab |
hex | 100a068fa6 |
68887678886 has 16 divisors (see below), whose sum is σ = 112301019600. Its totient is φ = 31502621088.
The previous prime is 68887678861. The next prime is 68887678897.
68887678886 is nontrivially palindromic in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 68887678886.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12150956 + ... + 12156623.
It is an arithmetic number, because the mean of its divisors is an integer number (7018813725).
Almost surely, 268887678886 is an apocalyptic number.
68887678886 is a deficient number, since it is larger than the sum of its proper divisors (43413340714).
68887678886 is a wasteful number, since it uses less digits than its factorization.
68887678886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24307703.
The product of its digits is 2774532096, while the sum is 80.
The spelling of 68887678886 in words is "sixty-eight billion, eight hundred eighty-seven million, six hundred seventy-eight thousand, eight hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •