Base | Representation |
---|---|
bin | 1001010100101001… |
… | …00101000010111111 |
3 | 110220210210121010020 |
4 | 10222110211002333 |
5 | 40222240124431 |
6 | 2144350343223 |
7 | 235012561200 |
oct | 45224450277 |
9 | 13823717106 |
10 | 5005004991 |
11 | 2139216368 |
12 | b781bab13 |
13 | 619bc1a1c |
14 | 356a055a7 |
15 | 1e45e4696 |
hex | 12a5250bf |
5005004991 has 48 divisors (see below), whose sum is σ = 8057082240. Its totient is φ = 2752263360.
The previous prime is 5005004981. The next prime is 5005005007. The reversal of 5005004991 is 1994005005.
It is not a de Polignac number, because 5005004991 - 25 = 5005004959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5005004981) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1409280 + ... + 1412826.
It is an arithmetic number, because the mean of its divisors is an integer number (167855880).
Almost surely, 25005004991 is an apocalyptic number.
5005004991 is a deficient number, since it is larger than the sum of its proper divisors (3052077249).
5005004991 is a wasteful number, since it uses less digits than its factorization.
5005004991 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3924 (or 3917 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 33.
The square root of 5005004991 is about 70746.0598973540. The cubic root of 5005004991 is about 1710.5463173539.
Adding to 5005004991 its reverse (1994005005), we get a palindrome (6999009996).
The spelling of 5005004991 in words is "five billion, five million, four thousand, nine hundred ninety-one".
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