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2855316868 = 22898020553
BaseRepresentation
bin1010101000110000…
…1010110110000100
321100222210010101121
42222030022312010
521321430114433
61151155203324
7130520535655
oct25214126604
97328703347
102855316868
11123582a908
126782a6544
13366727711
141d130352c
1511aa14c2d
hexaa30ad84

2855316868 has 12 divisors (see below), whose sum is σ = 5052949020. Its totient is φ = 1411617152.

The previous prime is 2855316857. The next prime is 2855316967. The reversal of 2855316868 is 8686135582.

It can be written as a sum of positive squares in 2 ways, for example, as 1741225984 + 1114090884 = 41728^2 + 33378^2 .

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 3 ways as a sum of consecutive naturals, for example, 4009921 + ... + 4010632.

It is an arithmetic number, because the mean of its divisors is an integer number (421079085).

Almost surely, 22855316868 is an apocalyptic number.

It is an amenable number.

2855316868 is a deficient number, since it is larger than the sum of its proper divisors (2197632152).

2855316868 is a wasteful number, since it uses less digits than its factorization.

2855316868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020646 (or 8020644 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The square root of 2855316868 is about 53435.1650881702. The cubic root of 2855316868 is about 1418.6810585814.

The spelling of 2855316868 in words is "two billion, eight hundred fifty-five million, three hundred sixteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 89 178 356 8020553 16041106 32082212 713829217 1427658434 2855316868