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6812858540 = 225340642927
BaseRepresentation
bin1100101100001001…
…11111100010101100
3122120210121001222002
412112010333202230
5102423042433130
63044011111432
7330554225225
oct62604774254
918523531862
106812858540
112986754504
1213a1742578
13847601657
14488b6424c
1529d19eb45
hex19613f8ac

6812858540 has 12 divisors (see below), whose sum is σ = 14307002976. Its totient is φ = 2725143408.

The previous prime is 6812858483. The next prime is 6812858587. The reversal of 6812858540 is 458582186.

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 3 ways as a sum of consecutive naturals, for example, 170321444 + ... + 170321483.

It is an arithmetic number, because the mean of its divisors is an integer number (1192250248).

Almost surely, 26812858540 is an apocalyptic number.

It is an amenable number.

6812858540 is an abundant number, since it is smaller than the sum of its proper divisors (7494144436).

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

6812858540 is a wasteful number, since it uses less digits than its factorization.

6812858540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340642936 (or 340642934 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 6812858540 is about 82540.0420402122. The cubic root of 6812858540 is about 1895.7298877995.

The spelling of 6812858540 in words is "six billion, eight hundred twelve million, eight hundred fifty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 340642927 681285854 1362571708 1703214635 3406429270 6812858540