Base | Representation |
---|---|
bin | 111111011000011010… |
… | …101011011111011110 |
3 | 20111122220012121110001 |
4 | 333120122223133132 |
5 | 2103334134210412 |
6 | 51133023004514 |
7 | 4626322126240 |
oct | 773032533736 |
9 | 214586177401 |
10 | 68055381982 |
11 | 26953541845 |
12 | 1123373973a |
13 | 65575c12c3 |
14 | 3418656090 |
15 | 1b84a3c957 |
hex | fd86ab7de |
68055381982 has 32 divisors (see below), whose sum is σ = 116890718400. Its totient is φ = 29110572288.
The previous prime is 68055381967. The next prime is 68055381991. The reversal of 68055381982 is 28918355086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21888244 + ... + 21891352.
It is an arithmetic number, because the mean of its divisors is an integer number (3652834950).
Almost surely, 268055381982 is an apocalyptic number.
68055381982 is a deficient number, since it is larger than the sum of its proper divisors (48835336418).
68055381982 is a wasteful number, since it uses less digits than its factorization.
68055381982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5620.
The product of its (nonzero) digits is 4147200, while the sum is 55.
The spelling of 68055381982 in words is "sixty-eight billion, fifty-five million, three hundred eighty-one thousand, nine hundred eighty-two".
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