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68341618 = 2711812659
BaseRepresentation
bin1000001001011…
…00111101110010
311202121010002001
410010230331302
5114443412433
610440444214
71456615462
oct404547562
9152533061
1068341618
1135639084
121aa7966a
131120aa37
14910dba2
155eee57d
hex412cf72

68341618 has 16 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 33490800.

The previous prime is 68341601. The next prime is 68341657. The reversal of 68341618 is 81614386.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24373 + ... + 27031.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 268341618 is an apocalyptic number.

68341618 is a deficient number, since it is larger than the sum of its proper divisors (36228302).

68341618 is a wasteful number, since it uses less digits than its factorization.

68341618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 27648, while the sum is 37.

The square root of 68341618 is about 8266.8989349090. The cubic root of 68341618 is about 408.8478819289.

The spelling of 68341618 in words is "sixty-eight million, three hundred forty-one thousand, six hundred eighteen".

Divisors: 1 2 71 142 181 362 2659 5318 12851 25702 188789 377578 481279 962558 34170809 68341618