Base | Representation |
---|---|
bin | 111111011001000000… |
… | …111001010011011010 |
3 | 20111200121001120121201 |
4 | 333121000321103122 |
5 | 2103344220300101 |
6 | 51134021424414 |
7 | 4626503232331 |
oct | 773100712332 |
9 | 214617046551 |
10 | 68065400026 |
11 | 26959164518 |
12 | 11236b6b10a |
13 | 65596bb140 |
14 | 3419b02d18 |
15 | 1b8586ae01 |
hex | fd90394da |
68065400026 has 16 divisors (see below), whose sum is σ = 111500419968. Its totient is φ = 30972337200.
The previous prime is 68065400021. The next prime is 68065400027. The reversal of 68065400026 is 62000456086.
It is not an unprimeable number, because it can be changed into a prime (68065400021) 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 7 ways as a sum of consecutive naturals, for example, 18434070 + ... + 18437761.
It is an arithmetic number, because the mean of its divisors is an integer number (6968776248).
Almost surely, 268065400026 is an apocalyptic number.
68065400026 is a deficient number, since it is larger than the sum of its proper divisors (43435019942).
68065400026 is a wasteful number, since it uses less digits than its factorization.
68065400026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36871917.
The product of its (nonzero) digits is 69120, while the sum is 37.
The spelling of 68065400026 in words is "sixty-eight billion, sixty-five million, four hundred thousand, twenty-six".
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