Base | Representation |
---|---|
bin | 100101100111101000… |
… | …0101011110010100100 |
3 | 21201112011100222121001 |
4 | 1023033100223302210 |
5 | 2310422341344313 |
6 | 101040214403044 |
7 | 5556653232244 |
oct | 1131720536244 |
9 | 251464328531 |
10 | 80786668708 |
11 | 31296a71a09 |
12 | 137a7360484 |
13 | 78060caa65 |
14 | 3ca5433b24 |
15 | 217c5b0add |
hex | 12cf42bca4 |
80786668708 has 12 divisors (see below), whose sum is σ = 148817547760. Its totient is φ = 38267369352.
The previous prime is 80786668687. The next prime is 80786668709.
80786668708 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×807866687082 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80786668708.
It is not an unprimeable number, because it can be changed into a prime (80786668709) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531491166 + ... + 531491317.
Almost surely, 280786668708 is an apocalyptic number.
It is an amenable number.
80786668708 is a deficient number, since it is larger than the sum of its proper divisors (68030879052).
80786668708 is a wasteful number, since it uses less digits than its factorization.
80786668708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1062982506 (or 1062982504 counting only the distinct ones).
The product of its (nonzero) digits is 43352064, while the sum is 64.
The spelling of 80786668708 in words is "eighty billion, seven hundred eighty-six million, six hundred sixty-eight thousand, seven hundred eight".
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