Search a number
-
+
248471541779 is a prime number
BaseRepresentation
bin1110011101101000001…
…1101101100000010011
3212202100102001010121112
43213122003231200103
513032332203314104
6310051331243535
723644233154226
oct3473203554023
9782312033545
10248471541779
1196415786a3a
12401a47495ab
131a57a514646
14c0518215bd
1566e3a4c86e
hex39da0ed813

248471541779 has 2 divisors, whose sum is σ = 248471541780. Its totient is φ = 248471541778.

The previous prime is 248471541719. The next prime is 248471541797. The reversal of 248471541779 is 977145174842.

248471541779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (248471541797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248471541779 - 224 = 248454764563 is a prime.

It is not a weakly prime, because it can be changed into another prime (248471541719) 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, 124235770889 + 124235770890.

It is an arithmetic number, because the mean of its divisors is an integer number (124235770890).

Almost surely, 2248471541779 is an apocalyptic number.

248471541779 is a deficient number, since it is larger than the sum of its proper divisors (1).

248471541779 is an equidigital number, since it uses as much as digits as its factorization.

248471541779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15805440, while the sum is 59.

The spelling of 248471541779 in words is "two hundred forty-eight billion, four hundred seventy-one million, five hundred forty-one thousand, seven hundred seventy-nine".