Base | Representation |
---|---|
bin | 1100111101000000010… |
… | …10111101001000001110 |
3 | 1120112210121120120021222 |
4 | 12132200022331020032 |
5 | 24243000111422440 |
6 | 540243430123342 |
7 | 44104135605050 |
oct | 6364012751016 |
9 | 1515717516258 |
10 | 445068857870 |
11 | 16183084937a |
12 | 723107b0552 |
13 | 32c7b8ab190 |
14 | 17781a378d0 |
15 | b89d3d92b5 |
hex | 67a02bd20e |
445068857870 has 128 divisors (see below), whose sum is σ = 1038519014400. Its totient is φ = 133363003392.
The previous prime is 445068857843. The next prime is 445068857899. The reversal of 445068857870 is 78758860544.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32653997 + ... + 32667623.
It is an arithmetic number, because the mean of its divisors is an integer number (8113429800).
Almost surely, 2445068857870 is an apocalyptic number.
445068857870 is an abundant number, since it is smaller than the sum of its proper divisors (593450156530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445068857870 is a wasteful number, since it uses less digits than its factorization.
445068857870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15562.
The product of its (nonzero) digits is 60211200, while the sum is 62.
The spelling of 445068857870 in words is "four hundred forty-five billion, sixty-eight million, eight hundred fifty-seven thousand, eight hundred seventy".
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