Base | Representation |
---|---|
bin | 1100011010011011… |
… | …01000111011000000 |
3 | 122012102201220002112 |
4 | 12031031220323000 |
5 | 102122004131430 |
6 | 3021135234452 |
7 | 324100113065 |
oct | 61515507300 |
9 | 18172656075 |
10 | 6664130240 |
11 | 290a800759 |
12 | 135b978a28 |
13 | 822859541 |
14 | 4730cac6c |
15 | 2900c2195 |
hex | 18d368ec0 |
6664130240 has 56 divisors (see below), whose sum is σ = 16137971280. Its totient is φ = 2620464128.
The previous prime is 6664130227. The next prime is 6664130261. The reversal of 6664130240 is 420314666.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 6664130197 and 6664130206.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157607 + ... + 195366.
Almost surely, 26664130240 is an apocalyptic number.
It is an amenable number.
6664130240 is an abundant number, since it is smaller than the sum of its proper divisors (9473841040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6664130240 is a wasteful number, since it uses less digits than its factorization.
6664130240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353049 (or 353039 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 6664130240 is about 81634.1242373555. The cubic root of 6664130240 is about 1881.8333405973.
The spelling of 6664130240 in words is "six billion, six hundred sixty-four million, one hundred thirty thousand, two hundred forty".
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