Base | Representation |
---|---|
bin | 101010111100011… |
… | …1111001000010001 |
3 | 10201102111111010111 |
4 | 1111320333020101 |
5 | 10422344031001 |
6 | 354553401321 |
7 | 50465213005 |
oct | 12570771021 |
9 | 3642444114 |
10 | 1441002001 |
11 | 67a45414a |
12 | 342709241 |
13 | 19c70640a |
14 | d9546705 |
15 | 86793851 |
hex | 55e3f211 |
1441002001 has 8 divisors (see below), whose sum is σ = 1473430824. Its totient is φ = 1408767360.
The previous prime is 1441001981. The next prime is 1441002011. The reversal of 1441002001 is 1002001441.
It can be written as a sum of positive squares in 4 ways, for example, as 980942400 + 460059601 = 31320^2 + 21449^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1441002001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1441002011) 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, 33486 + ... + 63271.
It is an arithmetic number, because the mean of its divisors is an integer number (184178853).
Almost surely, 21441002001 is an apocalyptic number.
It is an amenable number.
1441002001 is a deficient number, since it is larger than the sum of its proper divisors (32428823).
1441002001 is an equidigital number, since it uses as much as digits as its factorization.
1441002001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97091.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1441002001 is about 37960.5321485355. The cubic root of 1441002001 is about 1129.5050958854.
Adding to 1441002001 its reverse (1002001441), we get a palindrome (2443003442).
It can be divided in two parts, 144 and 1002001, that multiplied together give a square (144288144 = 120122).
The spelling of 1441002001 in words is "one billion, four hundred forty-one million, two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •