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68096973560 = 235711191163653
BaseRepresentation
bin111111011010111001…
…010101101011111000
320111202210110200100212
4333122321111223320
52103430311123220
651141110250252
74630335503420
oct773271255370
9214683420325
1068096973560
1126974a6a150
1211245656988
1365630c43c5
14341dda1480
151b885060c5
hexfdae55af8

68096973560 has 128 divisors (see below), whose sum is σ = 201079411200. Its totient is φ = 20107906560.

The previous prime is 68096973557. The next prime is 68096973589. The reversal of 68096973560 is 6537969086.

It is a self number, because there is not a number n which added to its sum of digits gives 68096973560.

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 31 ways as a sum of consecutive naturals, for example, 523307 + ... + 640346.

It is an arithmetic number, because the mean of its divisors is an integer number (1570932900).

Almost surely, 268096973560 is an apocalyptic number.

It is an amenable number.

68096973560 is an abundant number, since it is smaller than the sum of its proper divisors (132982437640).

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

68096973560 is a wasteful number, since it uses less digits than its factorization.

68096973560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163701 (or 1163697 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 68096973560 in words is "sixty-eight billion, ninety-six million, nine hundred seventy-three thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 11 14 19 20 22 28 35 38 40 44 55 56 70 76 77 88 95 110 133 140 152 154 190 209 220 266 280 308 380 385 418 440 532 616 665 760 770 836 1045 1064 1330 1463 1540 1672 2090 2660 2926 3080 4180 5320 5852 7315 8360 11704 14630 29260 58520 1163653 2327306 4654612 5818265 8145571 9309224 11636530 12800183 16291142 22109407 23273060 25600366 32582284 40727855 44218814 46546120 51200732 64000915 65164568 81455710 88437628 89601281 102401464 110547035 128001830 154765849 162911420 176875256 179202562 221094070 243203477 256003660 309531698 325822840 358405124 442188140 448006405 486406954 512007320 619063396 716810248 773829245 884376280 896012810 972813908 1216017385 1238126792 1547658490 1702424339 1792025620 1945627816 2432034770 3095316980 3404848678 3584051240 4864069540 6190633960 6809697356 8512121695 9728139080 13619394712 17024243390 34048486780 68096973560