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2713159681 is a prime number
BaseRepresentation
bin1010000110110111…
…1000100000000001
321000002021210101121
42201231320200001
521024032102211
61125120232241
7124143322351
oct24155704001
97002253347
102713159681
111172565031
1263876b681
1334314353b
141ba49ab61
1510d2d4271
hexa1b78801

2713159681 has 2 divisors, whose sum is σ = 2713159682. Its totient is φ = 2713159680.

The previous prime is 2713159679. The next prime is 2713159751. The reversal of 2713159681 is 1869513172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1831069681 + 882090000 = 42791^2 + 29700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2713159681 - 21 = 2713159679 is a prime.

It is a super-3 number, since 3×27131596813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2713159679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2713159601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1356579840 + 1356579841.

It is an arithmetic number, because the mean of its divisors is an integer number (1356579841).

Almost surely, 22713159681 is an apocalyptic number.

It is an amenable number.

2713159681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2713159681 is an equidigital number, since it uses as much as digits as its factorization.

2713159681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 2713159681 is about 52087.9993952542. Note that the first 3 decimals coincide. The cubic root of 2713159681 is about 1394.7352745101.

The spelling of 2713159681 in words is "two billion, seven hundred thirteen million, one hundred fifty-nine thousand, six hundred eighty-one".