Base | Representation |
---|---|
bin | 1001010100000011… |
… | …0000111010000001 |
3 | 20110020012102211111 |
4 | 2111000300322001 |
5 | 20110000134010 |
6 | 1052023443321 |
7 | 115644460534 |
oct | 22500607201 |
9 | 6406172744 |
10 | 2500005505 |
11 | 1073208158 |
12 | 5992b6541 |
13 | 30ac31aca |
14 | 19a052a1b |
15 | e972c58a |
hex | 95030e81 |
2500005505 has 8 divisors (see below), whose sum is σ = 3044783232. Its totient is φ = 1970153328.
The previous prime is 2500005467. The next prime is 2500005511. The reversal of 2500005505 is 5055000052.
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 2500005505 - 215 = 2499972737 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731017 + ... + 3731686.
It is an arithmetic number, because the mean of its divisors is an integer number (380597904).
Almost surely, 22500005505 is an apocalyptic number.
It is an amenable number.
2500005505 is a deficient number, since it is larger than the sum of its proper divisors (544777727).
2500005505 is an equidigital number, since it uses as much as digits as its factorization.
2500005505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7462775.
The product of its (nonzero) digits is 1250, while the sum is 22.
The square root of 2500005505 is about 50000.0550499697. The cubic root of 2500005505 is about 1357.2098044880.
Adding to 2500005505 its reverse (5055000052), we get a palindrome (7555005557).
The spelling of 2500005505 in words is "two billion, five hundred million, five thousand, five hundred five".
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