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68301611 = 717356401
BaseRepresentation
bin1000001001000…
…11001100101011
311202112002012022
410010203030223
5114441122421
610435535055
71456361030
oct404431453
9152462168
1068301611
1135611014
121aa5a48b
13111c5771
1490dd387
155ee27ab
hex412332b

68301611 has 8 divisors (see below), whose sum is σ = 78511584. Its totient is φ = 58204800.

The previous prime is 68301601. The next prime is 68301619. The reversal of 68301611 is 11610386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68301611 - 26 = 68301547 is a prime.

It is a super-2 number, since 2×683016112 = 9330220130390642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68301619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26990 + ... + 29411.

It is an arithmetic number, because the mean of its divisors is an integer number (9813948).

Almost surely, 268301611 is an apocalyptic number.

68301611 is a deficient number, since it is larger than the sum of its proper divisors (10209973).

68301611 is a wasteful number, since it uses less digits than its factorization.

68301611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56581.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 68301611 is about 8264.4788704431. The cubic root of 68301611 is about 408.7680868715.

Adding to 68301611 its reverse (11610386), we get a palindrome (79911997).

The spelling of 68301611 in words is "sixty-eight million, three hundred one thousand, six hundred eleven".

Divisors: 1 7 173 1211 56401 394807 9757373 68301611