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4781107811 is a prime number
BaseRepresentation
bin1000111001111100…
…11110101001100011
3110100012111102221002
410130332132221203
534242430422221
62110231422215
7226323513554
oct43476365143
913305442832
104781107811
1120338a1077
12b1522496b
135b26bb49c
14334da232b
151ceb1980b
hex11cf9ea63

4781107811 has 2 divisors, whose sum is σ = 4781107812. Its totient is φ = 4781107810.

The previous prime is 4781107783. The next prime is 4781107813. The reversal of 4781107811 is 1187011874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4781107811 is a prime.

Together with 4781107813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4781107813) 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, 2390553905 + 2390553906.

It is an arithmetic number, because the mean of its divisors is an integer number (2390553906).

Almost surely, 24781107811 is an apocalyptic number.

4781107811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781107811 is an equidigital number, since it uses as much as digits as its factorization.

4781107811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 38.

The square root of 4781107811 is about 69145.5552512235. Note that the first 3 decimals coincide. The cubic root of 4781107811 is about 1684.6493250112.

The spelling of 4781107811 in words is "four billion, seven hundred eighty-one million, one hundred seven thousand, eight hundred eleven".