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6771325139329 = 26021772
BaseRepresentation
bin110001010001001001001…
…1011011111100110000001
3212222022222021212102221011
41202202102123133212001
51341420133213424304
622222412005400521
71266132515010262
oct142422233374601
925868867772834
106771325139329
112180780570993
129143b3109141
133a16c1641a9a
14195a3bad2969
15bb20eb59c04
hex628926df981

6771325139329 has 3 divisors (see below), whose sum is σ = 6771327741507. Its totient is φ = 6771322537152.

The previous prime is 6771325139317. The next prime is 6771325139357. The reversal of 6771325139329 is 9239315231776.

The square root of 6771325139329 is 2602177.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3142483017025 + 3628842122304 = 1772705^2 + 1904952^2 .

It is not a de Polignac number, because 6771325139329 - 29 = 6771325138817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6771325139399) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1301089 + ... + 3903265.

It is an arithmetic number, because the mean of its divisors is an integer number (2257109247169).

Almost surely, 26771325139329 is an apocalyptic number.

6771325139329 is the 2602177-th square number.

6771325139329 is the 1301089-th centered octagonal number.

It is an amenable number.

6771325139329 is a deficient number, since it is larger than the sum of its proper divisors (2602178).

6771325139329 is an frugal number, since it uses more digits than its factorization.

6771325139329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204354 (or 2602177 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 58.

The spelling of 6771325139329 in words is "six trillion, seven hundred seventy-one billion, three hundred twenty-five million, one hundred thirty-nine thousand, three hundred twenty-nine".

Divisors: 1 2602177 6771325139329