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68103789078500 = 22537219146302447
BaseRepresentation
bin11110111110000101001100…
…01001111110011111100100
322221010122210011020101121222
433133002212021332133210
532411303030001003000
6400502240534355512
720226223244524400
oct1737024611763744
9287118704211558
1068103789078500
111a77772252217a
12777ab791bbb98
132c0020cc94366
1412b6353364100
157d1808712a85
hex3df0a627e7e4

68103789078500 has 144 divisors (see below), whose sum is σ = 182128991466240. Its totient is φ = 22120929835200.

The previous prime is 68103789078499. The next prime is 68103789078539. The reversal of 68103789078500 is 587098730186.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72685724 + ... + 73616723.

It is an arithmetic number, because the mean of its divisors is an integer number (1264784662960).

Almost surely, 268103789078500 is an apocalyptic number.

It is an amenable number.

68103789078500 is an abundant number, since it is smaller than the sum of its proper divisors (114025202387740).

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

68103789078500 is a wasteful number, since it uses less digits than its factorization.

68103789078500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146302499 (or 146302480 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 68103789078500 in words is "sixty-eight trillion, one hundred three billion, seven hundred eighty-nine million, seventy-eight thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 19 20 25 28 35 38 49 50 70 76 95 98 100 125 133 140 175 190 196 245 250 266 350 380 475 490 500 532 665 700 875 931 950 980 1225 1330 1750 1862 1900 2375 2450 2660 3325 3500 3724 4655 4750 4900 6125 6650 9310 9500 12250 13300 16625 18620 23275 24500 33250 46550 66500 93100 116375 232750 465500 146302447 292604894 585209788 731512235 1024117129 1463024470 2048234258 2779746493 2926048940 3657561175 4096468516 5120585645 5559492986 7168819903 7315122350 10241171290 11118985972 13898732465 14337639806 14630244700 18287805875 19458225451 20482342580 25602928225 27797464930 28675279612 35844099515 36575611750 38916450902 51205856450 55594929860 69493662325 71688199030 73151223500 77832901804 97291127255 102411712900 128014641125 136207578157 138987324650 143376398060 179220497575 194582254510 256029282250 272415156314 277974649300 347468311625 358440995150 389164509020 486455636275 512058564500 544830312628 681037890785 694936623250 716881990300 896102487875 972911272550 1362075781570 1389873246500 1792204975750 1945822545100 2432278181375 2724151563140 3405189453925 3584409951500 4864556362750 6810378907850 9729112725500 13620757815700 17025947269625 34051894539250 68103789078500