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6804930065 = 51937051741
BaseRepresentation
bin1100101011001101…
…01111111000010001
3122120020200021010212
412111212233320101
5102414030230230
63043125133505
7330426644153
oct62546577021
918506607125
106804930065
11298222974a
12139ab5a295
13845a8694b
14487a9cad3
1529c635895
hex1959afe11

6804930065 has 8 divisors (see below), whose sum is σ = 8208227688. Its totient is φ = 5415736320.

The previous prime is 6804930049. The next prime is 6804930137. The reversal of 6804930065 is 5600394086.

It is a Cunningham number, because it is equal to 824922+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1648684816 + 5156245249 = 40604^2 + 71807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6804930065 - 24 = 6804930049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524906 + ... + 3526835.

It is an arithmetic number, because the mean of its divisors is an integer number (1026028461).

Almost surely, 26804930065 is an apocalyptic number.

It is an amenable number.

6804930065 is a deficient number, since it is larger than the sum of its proper divisors (1403297623).

6804930065 is a wasteful number, since it uses less digits than its factorization.

6804930065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051939.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6804930065 is about 82492.0000060612. Note that the first 5 decimals coincide. The cubic root of 6804930065 is about 1894.9942161184.

The spelling of 6804930065 in words is "six billion, eight hundred four million, nine hundred thirty thousand, sixty-five".

Divisors: 1 5 193 965 7051741 35258705 1360986013 6804930065