Base | Representation |
---|---|
bin | 11111010000100101111101… |
… | …01100010100010100011010 |
3 | 100000101110120202011111111202 |
4 | 33220102332230110110122 |
5 | 33002213211102100121 |
6 | 402110353121554202 |
7 | 20323201465330400 |
oct | 1750227654242432 |
9 | 300343522144452 |
10 | 68739855893786 |
11 | 1a9a2455675930 |
12 | 78622b27a5962 |
13 | 2c481a9b7778c |
14 | 12d9053695470 |
15 | 7e3134ade40b |
hex | 3e84beb1451a |
68739855893786 has 48 divisors (see below), whose sum is σ = 130849076365632. Its totient is φ = 26781549379200.
The previous prime is 68739855893773. The next prime is 68739855893789.
It is a happy number.
68739855893786 is nontrivially palindromic in base 10.
68739855893786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 68739855893695 and 68739855893704.
It is not an unprimeable number, because it can be changed into a prime (68739855893789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253314050 + ... + 253585266.
It is an arithmetic number, because the mean of its divisors is an integer number (2726022424284).
Almost surely, 268739855893786 is an apocalyptic number.
68739855893786 is a deficient number, since it is larger than the sum of its proper divisors (62109220471846).
68739855893786 is a wasteful number, since it uses less digits than its factorization.
68739855893786 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506355 (or 506348 counting only the distinct ones).
The product of its digits is 131681894400, while the sum is 92.
The spelling of 68739855893786 in words is "sixty-eight trillion, seven hundred thirty-nine billion, eight hundred fifty-five million, eight hundred ninety-three thousand, seven hundred eighty-six".
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