Base | Representation |
---|---|
bin | 111111100101100111… |
… | …100010000001001001 |
3 | 20112020022221121010010 |
4 | 333211213202001021 |
5 | 2104312333323412 |
6 | 51211013542133 |
7 | 4634651455611 |
oct | 774547420111 |
9 | 215208847103 |
10 | 68276854857 |
11 | 26a57560682 |
12 | 11295944949 |
13 | 6591456243 |
14 | 3439c27a41 |
15 | 1b991d933c |
hex | fe59e2049 |
68276854857 has 8 divisors (see below), whose sum is σ = 91037144320. Its totient is φ = 45517234320.
The previous prime is 68276854831. The next prime is 68276854889. The reversal of 68276854857 is 75845867286.
68276854857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68276854857 - 28 = 68276854601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68276854757) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165519 + ... + 404907.
It is an arithmetic number, because the mean of its divisors is an integer number (11379643040).
Almost surely, 268276854857 is an apocalyptic number.
It is an amenable number.
68276854857 is a deficient number, since it is larger than the sum of its proper divisors (22760289463).
68276854857 is a wasteful number, since it uses less digits than its factorization.
68276854857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334463.
The product of its digits is 180633600, while the sum is 66.
The spelling of 68276854857 in words is "sixty-eight billion, two hundred seventy-six million, eight hundred fifty-four thousand, eight hundred fifty-seven".
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