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68006826268040 = 23511295329688579
BaseRepresentation
bin11110111011010000100101…
…01110001101010110001000
322220210101111122121021011202
433131220102232031112020
532403210440011034130
6400345523225043332
720216221360323032
oct1735502256152610
9286711448537152
1068006826268040
111a73a595548580
127764218626548
132bc402978a6ba
1412b179582ac52
157ce030e66145
hex3dda12b8d588

68006826268040 has 64 divisors (see below), whose sum is σ = 172681909992000. Its totient is φ = 23877004829440.

The previous prime is 68006826268019. The next prime is 68006826268049. The reversal of 68006826268040 is 4086262860086.

68006826268040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (68006826268049) 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 15 ways as a sum of consecutive naturals, for example, 2664831530 + ... + 2664857049.

It is an arithmetic number, because the mean of its divisors is an integer number (2698154843625).

Almost surely, 268006826268040 is an apocalyptic number.

It is an amenable number.

68006826268040 is an abundant number, since it is smaller than the sum of its proper divisors (104675083723960).

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

68006826268040 is a wasteful number, since it uses less digits than its factorization.

68006826268040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329688630 (or 5329688626 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 68006826268040 in words is "sixty-eight trillion, six billion, eight hundred twenty-six million, two hundred sixty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 29 40 44 55 58 88 110 116 145 220 232 290 319 440 580 638 1160 1276 1595 2552 3190 6380 12760 5329688579 10659377158 21318754316 26648442895 42637508632 53296885790 58626574369 106593771580 117253148738 154560968791 213187543160 234506297476 293132871845 309121937582 469012594952 586265743690 618243875164 772804843955 1172531487380 1236487750328 1545609687910 1700170656701 2345062974760 3091219375820 3400341313402 6182438751640 6800682626804 8500853283505 13601365253608 17001706567010 34003413134020 68006826268040