Search a number
-
+
284863382117 is a prime number
BaseRepresentation
bin1000010010100110010…
…11100100001001100101
31000020021121201011112222
410021103023210021211
514131400011211432
6334510414522125
726403115540136
oct4112313441145
91006247634488
10284863382117
11aa89aa53246
1247260206345
1320b29bbaa92
14db04b17c8d
1576238b0112
hex42532e4265

284863382117 has 2 divisors, whose sum is σ = 284863382118. Its totient is φ = 284863382116.

The previous prime is 284863382107. The next prime is 284863382119. The reversal of 284863382117 is 711283368482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255241185796 + 29622196321 = 505214^2 + 172111^2 .

It is a cyclic number.

It is not a de Polignac number, because 284863382117 - 24 = 284863382101 is a prime.

It is a super-2 number, since 2×2848633821172 (a number of 24 digits) contains 22 as substring.

Together with 284863382119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284863382119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142431691058 + 142431691059.

It is an arithmetic number, because the mean of its divisors is an integer number (142431691059).

Almost surely, 2284863382117 is an apocalyptic number.

It is an amenable number.

284863382117 is a deficient number, since it is larger than the sum of its proper divisors (1).

284863382117 is an equidigital number, since it uses as much as digits as its factorization.

284863382117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 53.

The spelling of 284863382117 in words is "two hundred eighty-four billion, eight hundred sixty-three million, three hundred eighty-two thousand, one hundred seventeen".