Base | Representation |
---|---|
bin | 111111110101110110… |
… | …110101101100100100 |
3 | 20112221022121101210220 |
4 | 333311312311230210 |
5 | 2110342110144301 |
6 | 51254025244340 |
7 | 4644500314362 |
oct | 776566655444 |
9 | 215838541726 |
10 | 68549303076 |
11 | 27087326aa1 |
12 | 113510336b0 |
13 | 6605a284c7 |
14 | 34640a8632 |
15 | 1bb30a4936 |
hex | ff5db5b24 |
68549303076 has 12 divisors (see below), whose sum is σ = 159948373872. Its totient is φ = 22849767688.
The previous prime is 68549303051. The next prime is 68549303129. The reversal of 68549303076 is 67030394586.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856220950 + ... + 2856220973.
It is an arithmetic number, because the mean of its divisors is an integer number (13329031156).
Almost surely, 268549303076 is an apocalyptic number.
It is an amenable number.
68549303076 is an abundant number, since it is smaller than the sum of its proper divisors (91399070796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68549303076 is a wasteful number, since it uses less digits than its factorization.
68549303076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5712441930 (or 5712441928 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 51.
The spelling of 68549303076 in words is "sixty-eight billion, five hundred forty-nine million, three hundred three thousand, seventy-six".
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