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2775010813 is a prime number
BaseRepresentation
bin1010010101100111…
…0100110111111101
321011101200011012021
42211121310313331
521140400321223
61135210040141
7125524126351
oct24531646775
97141604167
102775010813
1111a446a773
12655419051
13352bbac43
141c479b461
1511395065d
hexa5674dfd

2775010813 has 2 divisors, whose sum is σ = 2775010814. Its totient is φ = 2775010812.

The previous prime is 2775010811. The next prime is 2775010829. The reversal of 2775010813 is 3180105772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2633947684 + 141063129 = 51322^2 + 11877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775010813 - 21 = 2775010811 is a prime.

Together with 2775010811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2775010811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387505406 + 1387505407.

It is an arithmetic number, because the mean of its divisors is an integer number (1387505407).

Almost surely, 22775010813 is an apocalyptic number.

It is an amenable number.

2775010813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775010813 is an equidigital number, since it uses as much as digits as its factorization.

2775010813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 2775010813 is about 52678.3713966178. The cubic root of 2775010813 is about 1405.2542040774.

The spelling of 2775010813 in words is "two billion, seven hundred seventy-five million, ten thousand, eight hundred thirteen".