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68119777 = 116192707
BaseRepresentation
bin1000000111101…
…10110011100001
311202011211202201
410003312303201
5114414313102
610432013201
71455002635
oct403666341
9152154681
1068119777
11354a7440
121a991201
1311160a7b
149092dc5
155ea8987
hex40f6ce1

68119777 has 4 divisors (see below), whose sum is σ = 74312496. Its totient is φ = 61927060.

The previous prime is 68119757. The next prime is 68119789. The reversal of 68119777 is 77791186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68119777 - 211 = 68117729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68119717) 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 3 ways as a sum of consecutive naturals, for example, 3096343 + ... + 3096364.

It is an arithmetic number, because the mean of its divisors is an integer number (18578124).

Almost surely, 268119777 is an apocalyptic number.

It is an amenable number.

68119777 is a deficient number, since it is larger than the sum of its proper divisors (6192719).

68119777 is a wasteful number, since it uses less digits than its factorization.

68119777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192718.

The product of its digits is 148176, while the sum is 46.

The square root of 68119777 is about 8253.4706033280. The cubic root of 68119777 is about 408.4050207980.

The spelling of 68119777 in words is "sixty-eight million, one hundred nineteen thousand, seven hundred seventy-seven".

Divisors: 1 11 6192707 68119777