Base | Representation |
---|---|
bin | 10000101100110101… |
… | …00000100000001100 |
3 | 212010212002002101120 |
4 | 20112122200200030 |
5 | 121330242412340 |
6 | 4041404040540 |
7 | 435120406566 |
oct | 102632404014 |
9 | 25125062346 |
10 | 8965982220 |
11 | 3891077168 |
12 | 18a2833150 |
13 | acb6cc630 |
14 | 610abc336 |
15 | 37720c4d0 |
hex | 2166a080c |
8965982220 has 96 divisors (see below), whose sum is σ = 27097156800. Its totient is φ = 2202009600.
The previous prime is 8965982209. The next prime is 8965982227. The reversal of 8965982220 is 222895698.
It is a super-2 number, since 2×89659822202 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8965982227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337420 + ... + 363020.
It is an arithmetic number, because the mean of its divisors is an integer number (282262050).
Almost surely, 28965982220 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 8965982220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13548578400).
8965982220 is an abundant number, since it is smaller than the sum of its proper divisors (18131174580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8965982220 is a wasteful number, since it uses less digits than its factorization.
8965982220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26075 (or 26073 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 51.
The square root of 8965982220 is about 94688.8706237433. The cubic root of 8965982220 is about 2077.4597796028.
The spelling of 8965982220 in words is "eight billion, nine hundred sixty-five million, nine hundred eighty-two thousand, two hundred twenty".
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