Base | Representation |
---|---|
bin | 111011101011010… |
… | …111101101010001 |
3 | 2120202222111112221 |
4 | 323223113231101 |
5 | 4022303200131 |
6 | 243203421041 |
7 | 33545162305 |
oct | 7353275521 |
9 | 2522874487 |
10 | 1001225041 |
11 | 474190213 |
12 | 23b384781 |
13 | 12c57896b |
14 | 96d89d05 |
15 | 5cd74411 |
hex | 3bad7b51 |
1001225041 has 4 divisors (see below), whose sum is σ = 1005635952. Its totient is φ = 996814132.
The previous prime is 1001225039. The next prime is 1001225053. The reversal of 1001225041 is 1405221001.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1001225041 - 21 = 1001225039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1001222041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205115 + ... + 2205568.
It is an arithmetic number, because the mean of its divisors is an integer number (251408988).
Almost surely, 21001225041 is an apocalyptic number.
It is an amenable number.
1001225041 is a deficient number, since it is larger than the sum of its proper divisors (4410911).
1001225041 is an equidigital number, since it uses as much as digits as its factorization.
1001225041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4410910.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 1001225041 is about 31642.1402721118. The cubic root of 1001225041 is about 1000.4081803661.
Adding to 1001225041 its reverse (1405221001), we get a palindrome (2406446042).
It can be divided in two parts, 10012 and 25041, that added together give a palindrome (35053).
The spelling of 1001225041 in words is "one billion, one million, two hundred twenty-five thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •