Base | Representation |
---|---|
bin | 101000011000101101… |
… | …0000000110100110110 |
3 | 22021212020111111222200 |
4 | 1100301122000310312 |
5 | 2410104412424010 |
6 | 103501543205330 |
7 | 6160130643552 |
oct | 1206132006466 |
9 | 267766444880 |
10 | 86728248630 |
11 | 33865920941 |
12 | 14985146846 |
13 | 8242050a1a |
14 | 42aa596862 |
15 | 23c9008cc0 |
hex | 1431680d36 |
86728248630 has 48 divisors (see below), whose sum is σ = 225531764640. Its totient is φ = 23123602944.
The previous prime is 86728248623. The next prime is 86728248647. The reversal of 86728248630 is 3684282768.
86728248630 is a `hidden beast` number, since 86 + 7 + 2 + 82 + 486 + 3 + 0 = 666.
It is a super-2 number, since 2×867282486302 (a number of 23 digits) contains 22 as substring.
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 23 ways as a sum of consecutive naturals, for example, 471351 + ... + 628989.
It is an arithmetic number, because the mean of its divisors is an integer number (4698578430).
Almost surely, 286728248630 is an apocalyptic number.
86728248630 is an abundant number, since it is smaller than the sum of its proper divisors (138803516010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86728248630 is a wasteful number, since it uses less digits than its factorization.
86728248630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163765 (or 163762 counting only the distinct ones).
The product of its (nonzero) digits is 6193152, while the sum is 54.
The spelling of 86728248630 in words is "eighty-six billion, seven hundred twenty-eight million, two hundred forty-eight thousand, six hundred thirty".
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