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67688111282 = 2113076732331
BaseRepresentation
bin111111000010100001…
…101001110010110010
320110201022010022202112
4333002201221302302
52102111124030112
651032343045322
74614242311211
oct770241516262
9213638108675
1067688111282
11267851a0940
1211150740842
1364c949c06c
1433c1971078
151b62691a22
hexfc2869cb2

67688111282 has 8 divisors (see below), whose sum is σ = 110762363952. Its totient is φ = 30767323300.

The previous prime is 67688111261. The next prime is 67688111299. The reversal of 67688111282 is 28211188676.

67688111282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 67688111282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538366144 + ... + 1538366187.

It is an arithmetic number, because the mean of its divisors is an integer number (13845295494).

Almost surely, 267688111282 is an apocalyptic number.

67688111282 is a deficient number, since it is larger than the sum of its proper divisors (43074252670).

67688111282 is a wasteful number, since it uses less digits than its factorization.

67688111282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076732344.

The product of its digits is 516096, while the sum is 50.

The spelling of 67688111282 in words is "sixty-seven billion, six hundred eighty-eight million, one hundred eleven thousand, two hundred eighty-two".

Divisors: 1 2 11 22 3076732331 6153464662 33844055641 67688111282