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2688340027000 = 235323580120149
BaseRepresentation
bin100111000111101101100…
…011010110011001111000
3100112000002001001020201011
4213013231203112121320
5323021210021331000
65415001212403304
7365140400124145
oct47075543263170
910460061036634
102688340027000
11947133951161
12375027776534
131666811404b4
149418b3a93cc
1549de35cd2ba
hex271ed8d6678

2688340027000 has 128 divisors (see below), whose sum is σ = 6565682448000. Its totient is φ = 1028353920000.

The previous prime is 2688340026997. The next prime is 2688340027001. The reversal of 2688340027000 is 7200438862.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688340027001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133412926 + ... + 133433074.

It is an arithmetic number, because the mean of its divisors is an integer number (51294394125).

Almost surely, 22688340027000 is an apocalyptic number.

2688340027000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2688340027000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282841224000).

2688340027000 is an abundant number, since it is smaller than the sum of its proper divisors (3877342421000).

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

2688340027000 is a wasteful number, since it uses less digits than its factorization.

2688340027000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25994 (or 25980 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 2688340027000 in words is "two trillion, six hundred eighty-eight billion, three hundred forty million, twenty-seven thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 125 184 200 230 250 460 500 575 920 1000 1150 2300 2875 4600 5750 5801 11500 11602 20149 23000 23204 29005 40298 46408 58010 80596 100745 116020 133423 145025 161192 201490 232040 266846 290050 402980 463427 503725 533692 580100 667115 725125 805960 926854 1007450 1067384 1160200 1334230 1450250 1853708 2014900 2317135 2518625 2668460 2900500 3335575 3707416 4029800 4634270 5037250 5336920 5801000 6671150 9268540 10074500 11585675 13342300 16677875 18537080 20149000 23171350 26684600 33355750 46342700 57928375 66711500 92685400 115856750 116884349 133423000 231713500 233768698 463427000 467537396 584421745 935074792 1168843490 2337686980 2688340027 2922108725 4675373960 5376680054 5844217450 10753360108 11688434900 13441700135 14610543625 21506720216 23376869800 26883400270 29221087250 53766800540 58442174500 67208500675 107533601080 116884349000 134417001350 268834002700 336042503375 537668005400 672085006750 1344170013500 2688340027000