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6804857745 = 325761354143
BaseRepresentation
bin1100101011001100…
…11110001110010001
3122120020112120221100
412111212132032101
5102414020421440
63043123415013
7330426223260
oct62546361621
918506476840
106804857745
11298218a384
12139ab24469
13845a5ca5a
14487a805d7
1529c61e230
hex19599e391

6804857745 has 48 divisors (see below), whose sum is σ = 13701123072. Its totient is φ = 3059786880.

The previous prime is 6804857677. The next prime is 6804857753. The reversal of 6804857745 is 5477584086.

6804857745 is a `hidden beast` number, since 68 + 0 + 4 + 8 + 577 + 4 + 5 = 666.

It is not a de Polignac number, because 6804857745 - 211 = 6804855697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6804857691 and 6804857700.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 157857 + ... + 196286.

It is an arithmetic number, because the mean of its divisors is an integer number (285440064).

Almost surely, 26804857745 is an apocalyptic number.

It is an amenable number.

6804857745 is an abundant number, since it is smaller than the sum of its proper divisors (6896265327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6804857745 is a wasteful number, since it uses less digits than its factorization.

6804857745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354222 (or 354219 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The square root of 6804857745 is about 82491.5616593600. The cubic root of 6804857745 is about 1894.9875030214.

The spelling of 6804857745 in words is "six billion, eight hundred four million, eight hundred fifty-seven thousand, seven hundred forty-five".

Divisors: 1 3 5 7 9 15 21 35 45 61 63 105 183 305 315 427 549 915 1281 2135 2745 3843 6405 19215 354143 1062429 1770715 2479001 3187287 5312145 7437003 12395005 15936435 21602723 22311009 37185015 64808169 108013615 111555045 151219061 194424507 324040845 453657183 756095305 972122535 1360971549 2268285915 6804857745