Base | Representation |
---|---|
bin | 1100001001010101011… |
… | …1101011100011111010 |
3 | 201221121011222000000112 |
4 | 3002111113223203322 |
5 | 11404321044140010 |
6 | 235505323104322 |
7 | 21034620334103 |
oct | 3022527534372 |
9 | 657534860015 |
10 | 208664443130 |
11 | 80548702600 |
12 | 345353720a2 |
13 | 168a54022c0 |
14 | a156b093aa |
15 | 5663e6ba05 |
hex | 30955eb8fa |
208664443130 has 48 divisors (see below), whose sum is σ = 444602543112. Its totient is φ = 70041206400.
The previous prime is 208664443129. The next prime is 208664443151. The reversal of 208664443130 is 31344466802.
208664443130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 90371783161 + 118292659969 = 300619^2 + 343937^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6616961 + ... + 6648420.
Almost surely, 2208664443130 is an apocalyptic number.
208664443130 is an abundant number, since it is smaller than the sum of its proper divisors (235938099982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208664443130 is a wasteful number, since it uses less digits than its factorization.
208664443130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13265423 (or 13265412 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 41.
The spelling of 208664443130 in words is "two hundred eight billion, six hundred sixty-four million, four hundred forty-three thousand, one hundred thirty".
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