Base | Representation |
---|---|
bin | 1001110110000101… |
… | …11000100000110101 |
3 | 111122100202020000222 |
4 | 10323002320200311 |
5 | 41311102010210 |
6 | 2232252144125 |
7 | 244660451513 |
oct | 47302704065 |
9 | 14570666028 |
10 | 5285578805 |
11 | 2272631651 |
12 | 1036168045 |
13 | 66307a630 |
14 | 381d9d4b3 |
15 | 20e067655 |
hex | 13b0b8835 |
5285578805 has 8 divisors (see below), whose sum is σ = 6830594232. Its totient is φ = 3903196608.
The previous prime is 5285578789. The next prime is 5285578807. The reversal of 5285578805 is 5088755825.
It can be written as a sum of positive squares in 4 ways, for example, as 139381636 + 5146197169 = 11806^2 + 71737^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5285578805 - 24 = 5285578789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5285578807) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40658234 + ... + 40658363.
It is an arithmetic number, because the mean of its divisors is an integer number (853824279).
Almost surely, 25285578805 is an apocalyptic number.
It is an amenable number.
5285578805 is a deficient number, since it is larger than the sum of its proper divisors (1545015427).
5285578805 is a wasteful number, since it uses less digits than its factorization.
5285578805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81316615.
The product of its (nonzero) digits is 4480000, while the sum is 53.
The square root of 5285578805 is about 72701.9862520963. The cubic root of 5285578805 is about 1741.9306096732.
The spelling of 5285578805 in words is "five billion, two hundred eighty-five million, five hundred seventy-eight thousand, eight hundred five".
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