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68771302112 = 254197540383
BaseRepresentation
bin100000000001100010…
…1101100101011100000
320120111210100010020102
41000003011230223200
52111320423131422
651332035401532
74653134265032
oct1000305545340
9216453303212
1068771302112
1127190675177
12113b34532a8
13663ca15a96
143485775c52
151bc7807192
hex100316cae0

68771302112 has 48 divisors (see below), whose sum is σ = 140125894272. Its totient is φ = 33201070080.

The previous prime is 68771302111. The next prime is 68771302133. The reversal of 68771302112 is 21120317786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68771302111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142928 + ... + 397455.

It is an arithmetic number, because the mean of its divisors is an integer number (2919289464).

Almost surely, 268771302112 is an apocalyptic number.

It is an amenable number.

68771302112 is an abundant number, since it is smaller than the sum of its proper divisors (71354592160).

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

68771302112 is a wasteful number, since it uses less digits than its factorization.

68771302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540531 (or 540523 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 68771302112 its reverse (21120317786), we get a palindrome (89891619898).

The spelling of 68771302112 in words is "sixty-eight billion, seven hundred seventy-one million, three hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 41 82 97 164 194 328 388 656 776 1312 1552 3104 3977 7954 15908 31816 63632 127264 540383 1080766 2161532 4323064 8646128 17292256 22155703 44311406 52417151 88622812 104834302 177245624 209668604 354491248 419337208 708982496 838674416 1677348832 2149103191 4298206382 8596412764 17192825528 34385651056 68771302112