Base | Representation |
---|---|
bin | 101000010111011100… |
… | …1111100011001111000 |
3 | 22021202022112200010000 |
4 | 1100232321330121320 |
5 | 2410013142144410 |
6 | 103453443553000 |
7 | 6156111200052 |
oct | 1205671743170 |
9 | 267668480100 |
10 | 86686287480 |
11 | 33844170901 |
12 | 1497308b760 |
13 | 823644b640 |
14 | 42a4b928d2 |
15 | 23c54badc0 |
hex | 142ee7c678 |
86686287480 has 320 divisors, whose sum is σ = 318928024800. Its totient is φ = 20987735040.
The previous prime is 86686287463. The next prime is 86686287539. The reversal of 86686287480 is 8478268668.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2552451 + ... + 2586189.
Almost surely, 286686287480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86686287480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159464012400).
86686287480 is an abundant number, since it is smaller than the sum of its proper divisors (232241737320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86686287480 is a wasteful number, since it uses less digits than its factorization.
86686287480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33836 (or 33823 counting only the distinct ones).
The product of its (nonzero) digits is 49545216, while the sum is 63.
The spelling of 86686287480 in words is "eighty-six billion, six hundred eighty-six million, two hundred eighty-seven thousand, four hundred eighty".
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