Base | Representation |
---|---|
bin | 1001100011111000… |
… | …10011110101101101 |
3 | 111020201101100021212 |
4 | 10301330103311231 |
5 | 41003003021111 |
6 | 2205155004205 |
7 | 241124411456 |
oct | 46174236555 |
9 | 14221340255 |
10 | 5132860781 |
11 | 21a4403304 |
12 | bb2b99665 |
13 | 63a539539 |
14 | 3699a812d |
15 | 20094c98b |
hex | 131f13d6d |
5132860781 has 2 divisors, whose sum is σ = 5132860782. Its totient is φ = 5132860780.
The previous prime is 5132860763. The next prime is 5132860861. The reversal of 5132860781 is 1870682315.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3489855625 + 1643005156 = 59075^2 + 40534^2 .
It is a cyclic number.
It is not a de Polignac number, because 5132860781 - 226 = 5065751917 is a prime.
It is a super-2 number, since 2×51328607812 = 52692519594255859922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5132860181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566430390 + 2566430391.
It is an arithmetic number, because the mean of its divisors is an integer number (2566430391).
Almost surely, 25132860781 is an apocalyptic number.
It is an amenable number.
5132860781 is a deficient number, since it is larger than the sum of its proper divisors (1).
5132860781 is an equidigital number, since it uses as much as digits as its factorization.
5132860781 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 5132860781 is about 71643.9863561486. The cubic root of 5132860781 is about 1724.9896554445.
The spelling of 5132860781 in words is "five billion, one hundred thirty-two million, eight hundred sixty thousand, seven hundred eighty-one".
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