Search a number
-
+
6831125429 is a prime number
BaseRepresentation
bin1100101110010101…
…01011001110110101
3122122001222010102112
412113022223032311
5102442232003204
63045502420405
7331165415402
oct62712531665
918561863375
106831125429
112995aa0707
1213a7891705
1384b328c6b
1448b35b2a9
1529eaac26e
hex1972ab3b5

6831125429 has 2 divisors, whose sum is σ = 6831125430. Its totient is φ = 6831125428.

The previous prime is 6831125401. The next prime is 6831125437. The reversal of 6831125429 is 9245211386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6778228900 + 52896529 = 82330^2 + 7273^2 .

It is a cyclic number.

It is not a de Polignac number, because 6831125429 - 212 = 6831121333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6831125459) 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, 3415562714 + 3415562715.

It is an arithmetic number, because the mean of its divisors is an integer number (3415562715).

Almost surely, 26831125429 is an apocalyptic number.

It is an amenable number.

6831125429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6831125429 is an equidigital number, since it uses as much as digits as its factorization.

6831125429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 6831125429 is about 82650.6226776302. The cubic root of 6831125429 is about 1897.4226762061.

The spelling of 6831125429 in words is "six billion, eight hundred thirty-one million, one hundred twenty-five thousand, four hundred twenty-nine".