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6710643439 = 31147132
BaseRepresentation
bin1100011111111110…
…00100101011101111
3122022200021000012121
412033333010223233
5102220411042224
63025520213411
7325203346063
oct61777045357
918280230177
106710643439
112933a8a815
12137346a267
1382c393846
14479357aa3
1529420dbe4
hex18ffc4aef

6710643439 has 6 divisors (see below), whose sum is σ = 6927586656. Its totient is φ = 6493729680.

The previous prime is 6710643431. The next prime is 6710643451. The reversal of 6710643439 is 9343460176.

It is not a de Polignac number, because 6710643439 - 23 = 6710643431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6710643395 and 6710643404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6710643431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448747 + ... + 463459.

It is an arithmetic number, because the mean of its divisors is an integer number (1154597776).

Almost surely, 26710643439 is an apocalyptic number.

6710643439 is a deficient number, since it is larger than the sum of its proper divisors (216943217).

6710643439 is an frugal number, since it uses more digits than its factorization.

6710643439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29457 (or 14744 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 6710643439 is about 81918.5170703181. The cubic root of 6710643439 is about 1886.2013640700.

The spelling of 6710643439 in words is "six billion, seven hundred ten million, six hundred forty-three thousand, four hundred thirty-nine".

Divisors: 1 31 14713 456103 216472369 6710643439