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2748778073 is a prime number
BaseRepresentation
bin1010001111010111…
…0000011001011001
321002120022101122022
42203311300121121
521112141344243
61132431504225
7125055141146
oct24365603131
97076271568
102748778073
111190682718
12648688075
1334a634902
141c10cd3cd
151114bcb68
hexa3d70659

2748778073 has 2 divisors, whose sum is σ = 2748778074. Its totient is φ = 2748778072.

The previous prime is 2748778003. The next prime is 2748778099. The reversal of 2748778073 is 3708778472.

2748778073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849258009 + 899520064 = 43003^2 + 29992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748778073 - 210 = 2748777049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2748778003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374389036 + 1374389037.

It is an arithmetic number, because the mean of its divisors is an integer number (1374389037).

Almost surely, 22748778073 is an apocalyptic number.

It is an amenable number.

2748778073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748778073 is an equidigital number, since it uses as much as digits as its factorization.

2748778073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3687936, while the sum is 53.

The square root of 2748778073 is about 52428.7904972068. The cubic root of 2748778073 is about 1400.8121262514.

The spelling of 2748778073 in words is "two billion, seven hundred forty-eight million, seven hundred seventy-eight thousand, seventy-three".