Base | Representation |
---|---|
bin | 1100001001011001110… |
… | …0100000101000110000 |
3 | 201221122102220200121211 |
4 | 3002112130200220300 |
5 | 11404340204030240 |
6 | 235511205525504 |
7 | 21035226603130 |
oct | 3022634405060 |
9 | 657572820554 |
10 | 208682486320 |
11 | 80557906730 |
12 | 3453b413894 |
13 | 168a907bb49 |
14 | a159284ac0 |
15 | 5665832bea |
hex | 3096720a30 |
208682486320 has 160 divisors (see below), whose sum is σ = 605449105920. Its totient is φ = 64985733120.
The previous prime is 208682486303. The next prime is 208682486321. The reversal of 208682486320 is 23684286802.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (208682486321) 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, 7149516 + ... + 7178644.
It is an arithmetic number, because the mean of its divisors is an integer number (3784056912).
Almost surely, 2208682486320 is an apocalyptic number.
208682486320 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 208682486320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302724552960).
208682486320 is an abundant number, since it is smaller than the sum of its proper divisors (396766619600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208682486320 is a wasteful number, since it uses less digits than its factorization.
208682486320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30323 (or 30317 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 49.
The spelling of 208682486320 in words is "two hundred eight billion, six hundred eighty-two million, four hundred eighty-six thousand, three hundred twenty".
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