Base | Representation |
---|---|
bin | 1001010100101001… |
… | …10000001011010101 |
3 | 110220210212220122202 |
4 | 10222110300023111 |
5 | 40222243104311 |
6 | 2144351334245 |
7 | 235013141126 |
oct | 45224601325 |
9 | 13823786582 |
10 | 5005050581 |
11 | 2139247643 |
12 | b78221385 |
13 | 619c096bb |
14 | 356a1804d |
15 | 1e4602e3b |
hex | 12a5302d5 |
5005050581 has 2 divisors, whose sum is σ = 5005050582. Its totient is φ = 5005050580.
The previous prime is 5005050577. The next prime is 5005050607. The reversal of 5005050581 is 1850505005.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4361413681 + 643636900 = 66041^2 + 25370^2 .
It is a cyclic number.
It is not a de Polignac number, because 5005050581 - 22 = 5005050577 is a prime.
It is a super-2 number, since 2×50050505812 = 50101062636736875122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5005050541) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502525290 + 2502525291.
It is an arithmetic number, because the mean of its divisors is an integer number (2502525291).
Almost surely, 25005050581 is an apocalyptic number.
It is an amenable number.
5005050581 is a deficient number, since it is larger than the sum of its proper divisors (1).
5005050581 is an equidigital number, since it uses as much as digits as its factorization.
5005050581 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5000, while the sum is 29.
The square root of 5005050581 is about 70746.3821053770. The cubic root of 5005050581 is about 1710.5515110597.
Adding to 5005050581 its reverse (1850505005), we get a palindrome (6855555586).
The spelling of 5005050581 in words is "five billion, five million, fifty thousand, five hundred eighty-one".
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