Base | Representation |
---|---|
bin | 1111111100110111… |
… | …0010100100110101 |
3 | 102001101222020101102 |
4 | 3333031302210311 |
5 | 32232120230414 |
6 | 1544513535445 |
7 | 211051512551 |
oct | 37715624465 |
9 | 12041866342 |
10 | 4281805109 |
11 | 18a7a7060a |
12 | 9b5b74585 |
13 | 53311b8ba |
14 | 2c894c861 |
15 | 1a0d8cede |
hex | ff372935 |
4281805109 has 12 divisors (see below), whose sum is σ = 4410902016. Its totient is φ = 4156277832.
The previous prime is 4281805091. The next prime is 4281805133. The reversal of 4281805109 is 9015081824.
It is not a de Polignac number, because 4281805109 - 216 = 4281739573 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4281801109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294284 + ... + 308490.
It is an arithmetic number, because the mean of its divisors is an integer number (367575168).
Almost surely, 24281805109 is an apocalyptic number.
It is an amenable number.
4281805109 is a deficient number, since it is larger than the sum of its proper divisors (129096907).
4281805109 is a wasteful number, since it uses less digits than its factorization.
4281805109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14456 (or 14413 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 38.
The square root of 4281805109 is about 65435.5034289490. The cubic root of 4281805109 is about 1623.8364984442.
The spelling of 4281805109 in words is "four billion, two hundred eighty-one million, eight hundred five thousand, one hundred nine".
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