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2768012771 is a prime number
BaseRepresentation
bin1010010011111100…
…1000010111100011
321010220111121200112
42210333020113203
521132102402041
61134400041535
7125410502036
oct24477102743
97126447615
102768012771
1111a051aa67
126530032ab
1335160a8a4
141c389901d
1511301bdeb
hexa4fc85e3

2768012771 has 2 divisors, whose sum is σ = 2768012772. Its totient is φ = 2768012770.

The previous prime is 2768012761. The next prime is 2768012773. The reversal of 2768012771 is 1772108672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2768012771 - 26 = 2768012707 is a prime.

Together with 2768012773, 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 (2768012773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384006385 + 1384006386.

It is an arithmetic number, because the mean of its divisors is an integer number (1384006386).

Almost surely, 22768012771 is an apocalyptic number.

2768012771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768012771 is an equidigital number, since it uses as much as digits as its factorization.

2768012771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 2768012771 is about 52611.9071218674. The cubic root of 2768012771 is about 1404.0719496993.

The spelling of 2768012771 in words is "two billion, seven hundred sixty-eight million, twelve thousand, seven hundred seventy-one".