Base | Representation |
---|---|
bin | 1110111010010000… |
… | …11101100100001000 |
3 | 202122212201121102000 |
4 | 13131020131210020 |
5 | 112343231402110 |
6 | 3402153511000 |
7 | 402240645315 |
oct | 73510354410 |
9 | 22585647360 |
10 | 8004950280 |
11 | 3438649698 |
12 | 1674a12460 |
13 | 9a7587392 |
14 | 55d1d5d0c |
15 | 31cb771c0 |
hex | 1dd21d908 |
8004950280 has 128 divisors (see below), whose sum is σ = 26705203200. Its totient is φ = 2132891136.
The previous prime is 8004950263. The next prime is 8004950281. The reversal of 8004950280 is 820594008.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (8004950281) 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, 1793812 + ... + 1798268.
It is an arithmetic number, because the mean of its divisors is an integer number (208634400).
Almost surely, 28004950280 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 8004950280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13352601600).
8004950280 is an abundant number, since it is smaller than the sum of its proper divisors (18700252920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8004950280 is a wasteful number, since it uses less digits than its factorization.
8004950280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6140 (or 6130 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 8004950280 is about 89470.3877268898. The cubic root of 8004950280 is about 2000.4124382748.
The spelling of 8004950280 in words is "eight billion, four million, nine hundred fifty thousand, two hundred eighty".
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