Base | Representation |
---|---|
bin | 100110100100… |
… | …000001001101 |
3 | 201000120221121 |
4 | 212210001031 |
5 | 10041442010 |
6 | 1000400541 |
7 | 151632214 |
oct | 46440115 |
9 | 21016847 |
10 | 10109005 |
11 | 5785055 |
12 | 3476151 |
13 | 212c37a |
14 | 14b207b |
15 | d4a3da |
hex | 9a404d |
10109005 has 4 divisors (see below), whose sum is σ = 12130812. Its totient is φ = 8087200.
The previous prime is 10108979. The next prime is 10109009. The reversal of 10109005 is 50090101.
10109005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50090101 = 2273 ⋅22037.
It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 8421604 = 1299^2 + 2902^2 .
It is not a de Polignac number, because 10109005 - 213 = 10100813 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10109005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10109009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010896 + ... + 1010905.
It is an arithmetic number, because the mean of its divisors is an integer number (3032703).
Almost surely, 210109005 is an apocalyptic number.
It is an amenable number.
10109005 is a deficient number, since it is larger than the sum of its proper divisors (2021807).
10109005 is an equidigital number, since it uses as much as digits as its factorization.
10109005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2021806.
The product of its (nonzero) digits is 45, while the sum is 16.
The square root of 10109005 is about 3179.4661501579. The cubic root of 10109005 is about 216.2234555945.
Adding to 10109005 its reverse (50090101), we get a palindrome (60199106).
The spelling of 10109005 in words is "ten million, one hundred nine thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •