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6809716810 = 251352382437
BaseRepresentation
bin1100101011110010…
…00000100001001010
3122120120200110022201
412111321000201022
5102421241414220
63043415510414
7330515431531
oct62571004112
918516613281
106809716810
1129849a9036
1213a068840a
13846a71640
14488587318
1529cc7dd0a
hex195e4084a

6809716810 has 16 divisors (see below), whose sum is σ = 13200374376. Its totient is φ = 2514356928.

The previous prime is 6809716799. The next prime is 6809716829. The reversal of 6809716810 is 186179086.

It can be written as a sum of positive squares in 4 ways, for example, as 2448567289 + 4361149521 = 49483^2 + 66039^2 .

It is a super-2 number, since 2×68097168102 = 92744486064793152200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26191089 + ... + 26191348.

Almost surely, 26809716810 is an apocalyptic number.

6809716810 is a deficient number, since it is larger than the sum of its proper divisors (6390657566).

6809716810 is a wasteful number, since it uses less digits than its factorization.

6809716810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52382457.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 6809716810 is about 82521.0082948579. The cubic root of 6809716810 is about 1895.4384395442.

The spelling of 6809716810 in words is "six billion, eight hundred nine million, seven hundred sixteen thousand, eight hundred ten".

Divisors: 1 2 5 10 13 26 65 130 52382437 104764874 261912185 523824370 680971681 1361943362 3404858405 6809716810