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2787488881012 = 2211101627247723
BaseRepresentation
bin101000100100000011010…
…010001101100101110100
3100212110222220002220011101
4220210003102031211310
5331132234123143022
65532315452415444
7405250400356363
oct50440322154564
910773886086141
102787488881012
11985192892720
12390298477584
13172b22500154
1498cb53897da
154c797c3b627
hex2890348d974

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".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 627247723 1254495446 2508990892 6899724953 13799449906 27598899812 63352020023 126704040046 253408080092 696872220253 1393744440506 2787488881012