Base | Representation |
---|---|
bin | 1001110111010101… |
… | …1110001001000101 |
3 | 20211112202100222202 |
4 | 2131311132021011 |
5 | 20410344240010 |
6 | 1114432404245 |
7 | 122422653152 |
oct | 23565361105 |
9 | 6745670882 |
10 | 2648040005 |
11 | 1139827716 |
12 | 61a9a6685 |
13 | 3327c31a0 |
14 | 1b1989229 |
15 | 10771e6a5 |
hex | 9dd5e245 |
2648040005 has 16 divisors (see below), whose sum is σ = 3453486960. Its totient is φ = 1937530368.
The previous prime is 2648039993. The next prime is 2648040023. The reversal of 2648040005 is 5000408462.
It can be written as a sum of positive squares in 8 ways, for example, as 101626561 + 2546413444 = 10081^2 + 50462^2 .
It is a cyclic number.
It is not a de Polignac number, because 2648040005 - 214 = 2648023621 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2648040005.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179792 + ... + 193961.
It is an arithmetic number, because the mean of its divisors is an integer number (215842935).
Almost surely, 22648040005 is an apocalyptic number.
It is an amenable number.
2648040005 is a deficient number, since it is larger than the sum of its proper divisors (805446955).
2648040005 is a wasteful number, since it uses less digits than its factorization.
2648040005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 373880.
The product of its (nonzero) digits is 7680, while the sum is 29.
The square root of 2648040005 is about 51459.1100292261. The cubic root of 2648040005 is about 1383.4862503171.
Adding to 2648040005 its reverse (5000408462), we get a palindrome (7648448467).
The spelling of 2648040005 in words is "two billion, six hundred forty-eight million, forty thousand, five".
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