Base | Representation |
---|---|
bin | 1011111100110001… |
… | …00100101110010110 |
3 | 121120002120221211120 |
4 | 11332120210232112 |
5 | 101114311312030 |
6 | 2540330544410 |
7 | 314656322316 |
oct | 57630445626 |
9 | 17502527746 |
10 | 6415338390 |
11 | 27a232275a |
12 | 12b0598106 |
13 | 7b314aa26 |
14 | 44c047446 |
15 | 27832b010 |
hex | 17e624b96 |
6415338390 has 16 divisors (see below), whose sum is σ = 15396812208. Its totient is φ = 1710756896.
The previous prime is 6415338379. The next prime is 6415338403. The reversal of 6415338390 is 938335146.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
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, 106922277 + ... + 106922336.
It is an arithmetic number, because the mean of its divisors is an integer number (962300763).
Almost surely, 26415338390 is an apocalyptic number.
6415338390 is an abundant number, since it is smaller than the sum of its proper divisors (8981473818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6415338390 is a wasteful number, since it uses less digits than its factorization.
6415338390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213844623.
The product of its (nonzero) digits is 233280, while the sum is 42.
The square root of 6415338390 is about 80095.8075681867. The cubic root of 6415338390 is about 1858.1175688594.
The spelling of 6415338390 in words is "six billion, four hundred fifteen million, three hundred thirty-eight thousand, three hundred ninety".
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