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67683438676 = 2272417265667
BaseRepresentation
bin111111000010001111…
…110101000001010100
320110200222022221011001
4333002033311001110
52102103430014201
651032054553044
74614154510360
oct770217650124
9213628287131
1067683438676
112678259a287
121114b068784
1364c85242c9
1433c10b62a0
151b6206c301
hexfc23f5054

67683438676 has 12 divisors (see below), whose sum is σ = 135366877408. Its totient is φ = 29007187992.

The previous prime is 67683438653. The next prime is 67683438677.

It is a happy number.

67683438676 is nontrivially palindromic in base 10.

67683438676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

67683438676 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67683438677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208632806 + ... + 1208632861.

Almost surely, 267683438676 is an apocalyptic number.

It is an amenable number.

67683438676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67683438676 is a wasteful number, since it uses less digits than its factorization.

67683438676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417265678 (or 2417265676 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 64.

The spelling of 67683438676 in words is "sixty-seven billion, six hundred eighty-three million, four hundred thirty-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 2417265667 4834531334 9669062668 16920859669 33841719338 67683438676