Base | Representation |
---|---|
bin | 11111001000110111110111… |
… | …00001101100100110011110 |
3 | 22222110002212210212002112010 |
4 | 33210123323201230212132 |
5 | 32433341424132004421 |
6 | 401344443002052050 |
7 | 20265061065152052 |
oct | 1744337341544636 |
9 | 288402783762463 |
10 | 68474588547486 |
11 | 1a8aaa01119410 |
12 | 781aa011aa026 |
13 | 2c29183a65884 |
14 | 12ca28b349c62 |
15 | 7db2ab7a2076 |
hex | 3e46fb86c99e |
68474588547486 has 128 divisors (see below), whose sum is σ = 158569052336640. Its totient is φ = 19515975897600.
The previous prime is 68474588547427. The next prime is 68474588547493.
68474588547486 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 68474588547399 and 68474588547408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29583376 + ... + 31813916.
It is an arithmetic number, because the mean of its divisors is an integer number (1238820721380).
Almost surely, 268474588547486 is an apocalyptic number.
68474588547486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 68474588547486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79284526168320).
68474588547486 is an abundant number, since it is smaller than the sum of its proper divisors (90094463789154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68474588547486 is a wasteful number, since it uses less digits than its factorization.
68474588547486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2231002.
The product of its digits is 46242201600, while the sum is 84.
The spelling of 68474588547486 in words is "sixty-eight trillion, four hundred seventy-four billion, five hundred eighty-eight million, five hundred forty-seven thousand, four hundred eighty-six".
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