Base | Representation |
---|---|
bin | 101000011000000110… |
… | …1000110011100001110 |
3 | 22021210211120011210200 |
4 | 1100300031012130032 |
5 | 2410034232232132 |
6 | 103455543114330 |
7 | 6156464401140 |
oct | 1206015063416 |
9 | 267724504720 |
10 | 86708086542 |
11 | 338554aa860 |
12 | 1497a4429a6 |
13 | 823ab118ac |
14 | 42a7a28c90 |
15 | 23c7374d7c |
hex | 143034670e |
86708086542 has 96 divisors (see below), whose sum is σ = 235716908544. Its totient is φ = 22378075200.
The previous prime is 86708086541. The next prime is 86708086559. The reversal of 86708086542 is 24568080768.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86708086541) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18367 + ... + 416837.
It is an arithmetic number, because the mean of its divisors is an integer number (2455384464).
Almost surely, 286708086542 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86708086542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117858454272).
86708086542 is an abundant number, since it is smaller than the sum of its proper divisors (149008822002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86708086542 is a wasteful number, since it uses less digits than its factorization.
86708086542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398654 (or 398651 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 54.
The spelling of 86708086542 in words is "eighty-six billion, seven hundred eight million, eighty-six thousand, five hundred forty-two".
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