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6740489161 = 74759347251
BaseRepresentation
bin1100100011100001…
…11011001111001001
3122101202102022211201
412101300323033021
5102301031123121
63032504024201
7326015132620
oct62160731711
918352368751
106740489161
1129499152aa
121381462061
13835613533
1447d2c66b7
15296b56e91
hex191c3b3c9

6740489161 has 16 divisors (see below), whose sum is σ = 8000686080. Its totient is φ = 5558778000.

The previous prime is 6740489149. The next prime is 6740489167. The reversal of 6740489161 is 1619840476.

It is a cyclic number.

It is not a de Polignac number, because 6740489161 - 211 = 6740487113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6740489167) 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 in 15 ways as a sum of consecutive naturals, for example, 154215 + ... + 193036.

It is an arithmetic number, because the mean of its divisors is an integer number (500042880).

Almost surely, 26740489161 is an apocalyptic number.

It is an amenable number.

6740489161 is a deficient number, since it is larger than the sum of its proper divisors (1260196919).

6740489161 is a wasteful number, since it uses less digits than its factorization.

6740489161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347364.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 6740489161 is about 82100.4820996808. The cubic root of 6740489161 is about 1888.9935349392.

The spelling of 6740489161 in words is "six billion, seven hundred forty million, four hundred eighty-nine thousand, one hundred sixty-one".

Divisors: 1 7 47 59 329 413 2773 19411 347251 2430757 16320797 20487809 114245579 143414663 962927023 6740489161