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67742048247227 = 164422141200087
BaseRepresentation
bin11110110011100011011001…
…01110001101110110111011
322212212002001211001011120022
433121301230232031312323
532334341203322402402
6400024133425121055
720161126051302344
oct1731615456156673
9285762054034508
1067742048247227
111a648272227592
127720a42a8918b
132ba5080b63cc3
1412a2a384990cb
157c71d5a842a2
hex3d9c6cb8ddbb

67742048247227 has 4 divisors (see below), whose sum is σ = 67742091091536. Its totient is φ = 67742005402920.

The previous prime is 67742048247193. The next prime is 67742048247271. The reversal of 67742048247227 is 72274284024776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67742048247227 - 210 = 67742048246203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67742048247227.

It is not an unprimeable number, because it can be changed into a prime (67742048247127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18955823 + ... + 22244264.

It is an arithmetic number, because the mean of its divisors is an integer number (16935522772884).

Almost surely, 267742048247227 is an apocalyptic number.

67742048247227 is a deficient number, since it is larger than the sum of its proper divisors (42844309).

67742048247227 is a wasteful number, since it uses less digits than its factorization.

67742048247227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42844308.

The product of its (nonzero) digits is 118013952, while the sum is 62.

The spelling of 67742048247227 in words is "sixty-seven trillion, seven hundred forty-two billion, forty-eight million, two hundred forty-seven thousand, two hundred twenty-seven".

Divisors: 1 1644221 41200087 67742048247227