Base | Representation |
---|---|
bin | 111111110001111101… |
… | …111110001100001000 |
3 | 20112202202211220122010 |
4 | 333301331332030020 |
5 | 2110223410022013 |
6 | 51243335055520 |
7 | 4643045640123 |
oct | 776175761410 |
9 | 215682756563 |
10 | 68484064008 |
11 | 27053517a08 |
12 | 113332115a0 |
13 | 65c53659c9 |
14 | 34595653ba |
15 | 1bac4b97c3 |
hex | ff1f7e308 |
68484064008 has 16 divisors (see below), whose sum is σ = 171210160080. Its totient is φ = 22828021328.
The previous prime is 68484064007. The next prime is 68484064009. The reversal of 68484064008 is 80046048486.
It is an interprime number because it is at equal distance from previous prime (68484064007) and next prime (68484064009).
It is not an unprimeable number, because it can be changed into a prime (68484064007) 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, 1426751310 + ... + 1426751357.
It is an arithmetic number, because the mean of its divisors is an integer number (10700635005).
Almost surely, 268484064008 is an apocalyptic number.
It is an amenable number.
68484064008 is an abundant number, since it is smaller than the sum of its proper divisors (102726096072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68484064008 is a wasteful number, since it uses less digits than its factorization.
68484064008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2853502676 (or 2853502672 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 48.
The spelling of 68484064008 in words is "sixty-eight billion, four hundred eighty-four million, sixty-four thousand, eight".
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