Base | Representation |
---|---|
bin | 1000000111100… |
… | …11111100100000 |
3 | 11202011020200220 |
4 | 10003303330200 |
5 | 114413424224 |
6 | 10431443040 |
7 | 1454623533 |
oct | 403637440 |
9 | 152136626 |
10 | 68108064 |
11 | 35499662 |
12 | 1a986480 |
13 | 1115863b |
14 | 908ca1a |
15 | 5ea5279 |
hex | 40f3f20 |
68108064 has 48 divisors (see below), whose sum is σ = 179248608. Its totient is φ = 22643712.
The previous prime is 68108059. The next prime is 68108071. The reversal of 68108064 is 46080186.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51864 + ... + 53160.
It is an arithmetic number, because the mean of its divisors is an integer number (3734346).
Almost surely, 268108064 is an apocalyptic number.
It is an amenable number.
68108064 is an abundant number, since it is smaller than the sum of its proper divisors (111140544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68108064 is a wasteful number, since it uses less digits than its factorization.
68108064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1857 (or 1849 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 68108064 is about 8252.7609925406. The cubic root of 68108064 is about 408.3816114328.
The spelling of 68108064 in words is "sixty-eight million, one hundred eight thousand, sixty-four".
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