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68738011704 = 2332954694607
BaseRepresentation
bin100000000000100011…
…0101101001000111000
320120102110200210101100
41000001012231020320
52111233412333304
651324450051400
74652251313325
oct1000106551070
9216373623340
1068738011704
11271738a763a
12113a4279b60
136635b5b20b
14348118bb4c
151bc492d439
hex10011ad238

68738011704 has 24 divisors (see below), whose sum is σ = 186165448560. Its totient is φ = 22912670544.

The previous prime is 68738011687. The next prime is 68738011709. The reversal of 68738011704 is 40711083786.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 68738011704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68738011709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477347232 + ... + 477347375.

It is an arithmetic number, because the mean of its divisors is an integer number (7756893690).

Almost surely, 268738011704 is an apocalyptic number.

It is an amenable number.

68738011704 is an abundant number, since it is smaller than the sum of its proper divisors (117427436856).

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

68738011704 is a wasteful number, since it uses less digits than its factorization.

68738011704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954694619 (or 954694612 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 68738011704 in words is "sixty-eight billion, seven hundred thirty-eight million, eleven thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 954694607 1909389214 2864083821 3818778428 5728167642 7637556856 8592251463 11456335284 17184502926 22912670568 34369005852 68738011704