Base | Representation |
---|---|
bin | 10111100000010001… |
… | …01101100100000000 |
3 | 1012120102101221001211 |
4 | 23300020231210000 |
5 | 201320400001313 |
6 | 5444051335504 |
7 | 624463415131 |
oct | 136010554400 |
9 | 35512357054 |
10 | 12618750208 |
11 | 5395a56889 |
12 | 2541bb1594 |
13 | 12613c69cc |
14 | 879c85c88 |
15 | 4dcc43e3d |
hex | 2f022d900 |
12618750208 has 36 divisors (see below), whose sum is σ = 26669876940. Its totient is φ = 5938233344.
The previous prime is 12618750197. The next prime is 12618750217. The reversal of 12618750208 is 80205781621.
It can be written as a sum of positive squares in 2 ways, for example, as 4089858304 + 8528891904 = 63952^2 + 92352^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445413 + ... + 1454116.
It is an arithmetic number, because the mean of its divisors is an integer number (740829915).
Almost surely, 212618750208 is an apocalyptic number.
It is an amenable number.
12618750208 is an abundant number, since it is smaller than the sum of its proper divisors (14051126732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12618750208 is an equidigital number, since it uses as much as digits as its factorization.
12618750208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2899562 (or 2899548 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 40.
The spelling of 12618750208 in words is "twelve billion, six hundred eighteen million, seven hundred fifty thousand, two hundred eight".
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