Base | Representation |
---|---|
bin | 111101110001110111111… |
… | …1111100011001110000100 |
3 | 1010001201110011002002121220 |
4 | 1323203233333203032010 |
5 | 2103103311214301402 |
6 | 30020353544240340 |
7 | 1534305652252506 |
oct | 173435777431604 |
9 | 33051404062556 |
10 | 8490881790852 |
11 | 2783a6546119a |
12 | b5170b1700b0 |
13 | 4978c0943bb6 |
14 | 214d648b9d76 |
15 | ead0231bdbc |
hex | 7b8effe3384 |
8490881790852 has 96 divisors (see below), whose sum is σ = 22107324919680. Its totient is φ = 2520660049920.
The previous prime is 8490881790851. The next prime is 8490881790857. The reversal of 8490881790852 is 2580971880948.
It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (8490881790851) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2043652 + ... + 4599812.
It is an arithmetic number, because the mean of its divisors is an integer number (230284634580).
Almost surely, 28490881790852 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 8490881790852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11053662459840).
8490881790852 is an abundant number, since it is smaller than the sum of its proper divisors (13616443128828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8490881790852 is a wasteful number, since it uses less digits than its factorization.
8490881790852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2557061 (or 2557059 counting only the distinct ones).
The product of its (nonzero) digits is 92897280, while the sum is 69.
The spelling of 8490881790852 in words is "eight trillion, four hundred ninety billion, eight hundred eighty-one million, seven hundred ninety thousand, eight hundred fifty-two".
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