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268806885304944 = 2437800020491979
BaseRepresentation
bin111101000111101001111010…
…111010010110101001110000
31022020202200120000110110010210
4331013221322322112221300
5240213113000114224234
62351412102304224120
7110422441130356050
oct7507517272265160
91266680500413123
10268806885304944
11787173a5a78948
12261946aa00b040
13b6cb4c3cc670c
144a54473583560
15211243d5a9be9
hexf47a7ae96a70

268806885304944 has 40 divisors (see below), whose sum is σ = 793620328044160. Its totient is φ = 76801967229888.

The previous prime is 268806885304933. The next prime is 268806885304973. The reversal of 268806885304944 is 449403588608862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400010245654 + ... + 400010246325.

It is an arithmetic number, because the mean of its divisors is an integer number (19840508201104).

Almost surely, 2268806885304944 is an apocalyptic number.

268806885304944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268806885304944 is an abundant number, since it is smaller than the sum of its proper divisors (524813442739216).

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

268806885304944 is a wasteful number, since it uses less digits than its factorization.

268806885304944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800020491997 (or 800020491991 counting only the distinct ones).

The product of its (nonzero) digits is 2548039680, while the sum is 75.

The spelling of 268806885304944 in words is "two hundred sixty-eight trillion, eight hundred six billion, eight hundred eighty-five million, three hundred four thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 800020491979 1600040983958 2400061475937 3200081967916 4800122951874 5600143443853 6400163935832 9600245903748 11200286887706 12800327871664 16800430331559 19200491807496 22400573775412 33600860663118 38400983614992 44801147550824 67201721326236 89602295101648 134403442652472 268806885304944