Base | Representation |
---|---|
bin | 111111100000100011… |
… | …111100011010100100 |
3 | 20112000102022221222200 |
4 | 333200203330122210 |
5 | 2104124124401244 |
6 | 51154343454500 |
7 | 4632601451130 |
oct | 774043743244 |
9 | 215012287880 |
10 | 68192028324 |
11 | 26a13693202 |
12 | 11271457430 |
13 | 65799c6024 |
14 | 342c8663c0 |
15 | 1b91a30669 |
hex | fe08fc6a4 |
68192028324 has 36 divisors (see below), whose sum is σ = 196999193664. Its totient is φ = 19483436592.
The previous prime is 68192028271. The next prime is 68192028329. The reversal of 68192028324 is 42382029186.
It is a tau number, because it is divible by the number of its divisors (36).
It is a self number, because there is not a number n which added to its sum of digits gives 68192028324.
It is not an unprimeable number, because it can be changed into a prime (68192028329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135301392 + ... + 135301895.
It is an arithmetic number, because the mean of its divisors is an integer number (5472199824).
Almost surely, 268192028324 is an apocalyptic number.
It is an amenable number.
68192028324 is an abundant number, since it is smaller than the sum of its proper divisors (128807165340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68192028324 is a wasteful number, since it uses less digits than its factorization.
68192028324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270603304 (or 270603299 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The spelling of 68192028324 in words is "sixty-eight billion, one hundred ninety-two million, twenty-eight thousand, three hundred twenty-four".
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