Base | Representation |
---|---|
bin | 1001010100101111… |
… | …10000100110111101 |
3 | 110220212100221212100 |
4 | 10222113300212331 |
5 | 40222443320111 |
6 | 2144420255313 |
7 | 235022633106 |
oct | 45227604675 |
9 | 13825327770 |
10 | 5005838781 |
11 | 2139735849 |
12 | b78541539 |
13 | 61a1243a8 |
14 | 356b813ad |
15 | 1e470b756 |
hex | 12a5f09bd |
5005838781 has 24 divisors (see below), whose sum is σ = 7626846240. Its totient is φ = 3155090400.
The previous prime is 5005838779. The next prime is 5005838797. The reversal of 5005838781 is 1878385005.
It is a happy number.
It is not a de Polignac number, because 5005838781 - 21 = 5005838779 is a prime.
It is a super-2 number, since 2×50058387812 = 50116843802727131922, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5005838701) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54151 + ... + 113771.
It is an arithmetic number, because the mean of its divisors is an integer number (317785260).
Almost surely, 25005838781 is an apocalyptic number.
It is an amenable number.
5005838781 is a deficient number, since it is larger than the sum of its proper divisors (2621007459).
5005838781 is a wasteful number, since it uses less digits than its factorization.
5005838781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60137 (or 60134 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 45.
The square root of 5005838781 is about 70751.9524889596. The cubic root of 5005838781 is about 1710.6412994251.
The spelling of 5005838781 in words is "five billion, five million, eight hundred thirty-eight thousand, seven hundred eighty-one".
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