Search a number
-
+
68427524087728 = 24134766347105499
BaseRepresentation
bin11111000111100000001100…
…10001000001111110110000
322222021121101210202211001221
433203300012101001332300
532432104032131301403
6401311100503234424
720261503556641501
oct1743600621017660
9288247353684057
1068427524087728
111a891a4a49a183
127811867448a14
132c248c322b510
1412c7ca4842ba8
157d9e549bbdbd
hex3e3c06441fb0

68427524087728 has 80 divisors (see below), whose sum is σ = 145818042048000. Its totient is φ = 30909219280128.

The previous prime is 68427524087717. The next prime is 68427524087737. The reversal of 68427524087728 is 82778042572486.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648555523 + ... + 648661021.

It is an arithmetic number, because the mean of its divisors is an integer number (1822725525600).

Almost surely, 268427524087728 is an apocalyptic number.

It is an amenable number.

68427524087728 is an abundant number, since it is smaller than the sum of its proper divisors (77390517960272).

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

68427524087728 is a wasteful number, since it uses less digits than its factorization.

68427524087728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171914 (or 171908 counting only the distinct ones).

The product of its (nonzero) digits is 674365440, while the sum is 70.

The spelling of 68427524087728 in words is "sixty-eight trillion, four hundred twenty-seven billion, five hundred twenty-four million, eighty-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 47 52 94 104 188 208 376 611 752 1222 2444 4888 9776 66347 105499 132694 210998 265388 421996 530776 843992 862511 1061552 1371487 1687984 1725022 2742974 3118309 3450044 4958453 5485948 6236618 6900088 9916906 10971896 12473236 13800176 19833812 21943792 24946472 39667624 40538017 49892944 64459889 79335248 81076034 128919778 162152068 257839556 324304136 515679112 648608272 1031358224 6999542153 13999084306 27998168612 55996337224 90994047989 111992674448 181988095978 328978481191 363976191956 657956962382 727952383912 1315913924764 1455904767824 2631827849528 4276720255483 5263655699056 8553440510966 17106881021932 34213762043864 68427524087728