Base | Representation |
---|---|
bin | 101000010001100011… |
… | …0011010001110101100 |
3 | 22021020111212020122121 |
4 | 1100203012122032230 |
5 | 2404111441310110 |
6 | 103422050522324 |
7 | 6151154546332 |
oct | 1204306321654 |
9 | 267214766577 |
10 | 86488228780 |
11 | 33752394428 |
12 | 149188963a4 |
13 | 82043c3b45 |
14 | 4286757b52 |
15 | 23b2de6cda |
hex | 142319a3ac |
86488228780 has 24 divisors (see below), whose sum is σ = 182951018208. Its totient is φ = 34342770048.
The previous prime is 86488228763. The next prime is 86488228781. The reversal of 86488228780 is 8782288468.
It is not an unprimeable number, because it can be changed into a prime (86488228781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15779784 + ... + 15785263.
It is an arithmetic number, because the mean of its divisors is an integer number (7622959092).
Almost surely, 286488228780 is an apocalyptic number.
It is an amenable number.
86488228780 is an abundant number, since it is smaller than the sum of its proper divisors (96462789428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86488228780 is a wasteful number, since it uses less digits than its factorization.
86488228780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31565193 (or 31565191 counting only the distinct ones).
The product of its (nonzero) digits is 22020096, while the sum is 61.
The spelling of 86488228780 in words is "eighty-six billion, four hundred eighty-eight million, two hundred twenty-eight thousand, seven hundred eighty".
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