Base | Representation |
---|---|
bin | 101000100100000011010… |
… | …010001101100101110100 |
3 | 100212110222220002220011101 |
4 | 220210003102031211310 |
5 | 331132234123143022 |
6 | 5532315452415444 |
7 | 405250400356363 |
oct | 50440322154564 |
9 | 10773886086141 |
10 | 2787488881012 |
11 | 985192892720 |
12 | 390298477584 |
13 | 172b22500154 |
14 | 98cb53897da |
15 | 4c797c3b627 |
hex | 2890348d974 |
2787488881012 has 24 divisors (see below), whose sum is σ = 5374258499232. Its totient is φ = 1254495444000.
The previous prime is 2787488881007. The next prime is 2787488881049. The reversal of 2787488881012 is 2101888847872.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 313619418 + ... + 313628305.
It is an arithmetic number, because the mean of its divisors is an integer number (223927437468).
Almost surely, 22787488881012 is an apocalyptic number.
2787488881012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2787488881012 is a deficient number, since it is larger than the sum of its proper divisors (2586769618220).
2787488881012 is a wasteful number, since it uses less digits than its factorization.
2787488881012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627247839 (or 627247837 counting only the distinct ones).
The product of its (nonzero) digits is 25690112, while the sum is 64.
The spelling of 2787488881012 in words is "two trillion, seven hundred eighty-seven billion, four hundred eighty-eight million, eight hundred eighty-one thousand, twelve".
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