Base | Representation |
---|---|
bin | 111111011001010011… |
… | …110001000001100100 |
3 | 20111200221100220101111 |
4 | 333121103301001210 |
5 | 2103402002044402 |
6 | 51134315434404 |
7 | 4626563254504 |
oct | 773123610144 |
9 | 214627326344 |
10 | 68070346852 |
11 | 26960a33102 |
12 | 11238755a04 |
13 | 655a730961 |
14 | 341a62da04 |
15 | 1b85ee69d7 |
hex | fd94f1064 |
68070346852 has 12 divisors (see below), whose sum is σ = 119617395436. Its totient is φ = 33893948160.
The previous prime is 68070346843. The next prime is 68070346853. The reversal of 68070346852 is 25864307086.
68070346852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 30257210916 + 37813135936 = 173946^2 + 194456^2 .
It is a junction number, because it is equal to n+sod(n) for n = 68070346796 and 68070346805.
It is not an unprimeable number, because it can be changed into a prime (68070346853) 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, 35305233 + ... + 35307160.
Almost surely, 268070346852 is an apocalyptic number.
It is an amenable number.
68070346852 is a deficient number, since it is larger than the sum of its proper divisors (51547048584).
68070346852 is a wasteful number, since it uses less digits than its factorization.
68070346852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70612638 (or 70612636 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 49.
The spelling of 68070346852 in words is "sixty-eight billion, seventy million, three hundred forty-six thousand, eight hundred fifty-two".
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