Search a number
-
+
285828375827 is a prime number
BaseRepresentation
bin1000010100011001011…
…00101110010100010011
31000022202212111221001202
410022030230232110103
514140334031011302
6335150250021415
726436044051651
oct4121454562423
91008685457052
10285828375827
11100245737305
124748b41786b
1320c51abc387
14db96d51dd1
15767d479202
hex428cb2e513

285828375827 has 2 divisors, whose sum is σ = 285828375828. Its totient is φ = 285828375826.

The previous prime is 285828375809. The next prime is 285828375871. The reversal of 285828375827 is 728573828582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285828375827 - 228 = 285559940371 is a prime.

It is not a weakly prime, because it can be changed into another prime (285828378827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142914187913 + 142914187914.

It is an arithmetic number, because the mean of its divisors is an integer number (142914187914).

Almost surely, 2285828375827 is an apocalyptic number.

285828375827 is a deficient number, since it is larger than the sum of its proper divisors (1).

285828375827 is an equidigital number, since it uses as much as digits as its factorization.

285828375827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120422400, while the sum is 65.

The spelling of 285828375827 in words is "two hundred eighty-five billion, eight hundred twenty-eight million, three hundred seventy-five thousand, eight hundred twenty-seven".