Base | Representation |
---|---|
bin | 100000000000101110… |
… | …0001001111101100010 |
3 | 20120102212021110210122 |
4 | 1000001130021331202 |
5 | 2111241332303121 |
6 | 51325210400242 |
7 | 4652350153211 |
oct | 1000134117542 |
9 | 216385243718 |
10 | 68743634786 |
11 | 27176a98312 |
12 | 113a6130082 |
13 | 6637079798 |
14 | 3481c13078 |
15 | 1bc518e5ab |
hex | 1001709f62 |
68743634786 has 8 divisors (see below), whose sum is σ = 106441757184. Its totient is φ = 33263049060.
The previous prime is 68743634767. The next prime is 68743634821.
68743634786 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 1108768303 = 68743634786 / (6 + 8 + 7 + 4 + 3 + 6 + 3 + 4 + 7 + 8 + 6).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554384090 + ... + 554384213.
It is an arithmetic number, because the mean of its divisors is an integer number (13305219648).
Almost surely, 268743634786 is an apocalyptic number.
68743634786 is a deficient number, since it is larger than the sum of its proper divisors (37698122398).
68743634786 is a wasteful number, since it uses less digits than its factorization.
68743634786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1108768336.
The product of its digits is 97542144, while the sum is 62.
The spelling of 68743634786 in words is "sixty-eight billion, seven hundred forty-three million, six hundred thirty-four thousand, seven hundred eighty-six".
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