Search a number
-
+
68114777 = 337202121
BaseRepresentation
bin1000000111101…
…01100101011001
311202011120220112
410003311211121
5114414133102
610431534105
71454652233
oct403654531
9152146815
1068114777
11354a3705
121a98a335
131115b703
149091253
155ea7252
hex40f5959

68114777 has 4 divisors (see below), whose sum is σ = 68317236. Its totient is φ = 67912320.

The previous prime is 68114759. The next prime is 68114779. The reversal of 68114777 is 77741186.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42823936 + 25290841 = 6544^2 + 5029^2 .

It is a cyclic number.

It is not a de Polignac number, because 68114777 - 26 = 68114713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68114779) 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, 100724 + ... + 101397.

It is an arithmetic number, because the mean of its divisors is an integer number (17079309).

Almost surely, 268114777 is an apocalyptic number.

It is an amenable number.

68114777 is a deficient number, since it is larger than the sum of its proper divisors (202459).

68114777 is a wasteful number, since it uses less digits than its factorization.

68114777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202458.

The product of its digits is 65856, while the sum is 41.

The square root of 68114777 is about 8253.1676948915. The cubic root of 68114777 is about 408.3950282272.

The spelling of 68114777 in words is "sixty-eight million, one hundred fourteen thousand, seven hundred seventy-seven".

Divisors: 1 337 202121 68114777