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12678727827700 = 225211291823218021
BaseRepresentation
bin1011100001111111111100…
…0100011000000011110100
31122220002000100020011222001
42320133333010120003310
53130212013310441300
642544305510545044
72446002460242004
oct270377704300364
948802010204861
1012678727827700
114049022363610
121509280368184
1370c7a2a3b20c
1431b921a82004
1516ec0971716a
hexb87ff1180f4

12678727827700 has 144 divisors (see below), whose sum is σ = 31066146639360. Its totient is φ = 4449003328000.

The previous prime is 12678727827659. The next prime is 12678727827713. The reversal of 12678727827700 is 772872787621.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 58044690 + ... + 58262710.

It is an arithmetic number, because the mean of its divisors is an integer number (215737129440).

Almost surely, 212678727827700 is an apocalyptic number.

12678727827700 is a gapful number since it is divisible by the number (10) 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 12678727827700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15533073319680).

12678727827700 is an abundant number, since it is smaller than the sum of its proper divisors (18387418811660).

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

12678727827700 is a wasteful number, since it uses less digits than its factorization.

12678727827700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219898 (or 219891 counting only the distinct ones).

The product of its (nonzero) digits is 51631104, while the sum is 64.

The spelling of 12678727827700 in words is "twelve trillion, six hundred seventy-eight billion, seven hundred twenty-seven million, eight hundred twenty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 29 44 50 55 58 100 110 116 145 220 275 290 319 550 580 638 725 1100 1276 1450 1595 1823 2900 3190 3646 6380 7292 7975 9115 15950 18230 20053 31900 36460 40106 45575 52867 80212 91150 100265 105734 182300 200530 211468 218021 264335 401060 436042 501325 528670 581537 872084 1002650 1057340 1090105 1163074 1321675 2005300 2180210 2326148 2398231 2643350 2907685 4360420 4796462 5286700 5450525 5815370 6322609 9592924 10901050 11630740 11991155 12645218 14538425 21802100 23982310 25290436 29076850 31613045 47964620 58153700 59955775 63226090 69548699 119911550 126452180 139097398 158065225 239823100 278194796 316130450 347743495 397452283 632260900 695486990 794904566 1390973980 1589809132 1738717475 1987261415 3477434950 3974522830 4371975113 6954869900 7949045660 8743950226 9936307075 11526116207 17487900452 19872614150 21859875565 23052232414 39745228300 43719751130 46104464828 57630581035 87439502260 109299377825 115261162070 126787278277 218598755650 230522324140 253574556554 288152905175 437197511300 507149113108 576305810350 633936391385 1152611620700 1267872782770 2535745565540 3169681956925 6339363913850 12678727827700