Base | Representation |
---|---|
bin | 110010001011010111111111… |
… | …111100010111000010110000 |
3 | 1001221101012000000001011012101 |
4 | 302023113333330113002300 |
5 | 212411141322203231010 |
6 | 2101204500050510144 |
7 | 64324615314044140 |
oct | 6213277774270260 |
9 | 1057335000034171 |
10 | 220684008648880 |
11 | 64353620731217 |
12 | 20902057b95354 |
13 | 961a5499941ba |
14 | 3c6d23d426920 |
15 | 1a7a76e14473a |
hex | c8b5fff170b0 |
220684008648880 has 160 divisors (see below), whose sum is σ = 593656467554304. Its totient is φ = 74730686220288.
The previous prime is 220684008648841. The next prime is 220684008648937. The reversal of 220684008648880 is 88846800486022.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8902404 + ... + 22817116.
Almost surely, 2220684008648880 is an apocalyptic number.
220684008648880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220684008648880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296828233777152).
220684008648880 is an abundant number, since it is smaller than the sum of its proper divisors (372972458905424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220684008648880 is a wasteful number, since it uses less digits than its factorization.
220684008648880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13915083 (or 13915077 counting only the distinct ones).
The product of its (nonzero) digits is 75497472, while the sum is 64.
The spelling of 220684008648880 in words is "two hundred twenty trillion, six hundred eighty-four billion, eight million, six hundred forty-eight thousand, eight hundred eighty".
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