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68011 = 232957
BaseRepresentation
bin10000100110101011
310110021221
4100212223
54134021
61242511
7402166
oct204653
9113257
1068011
1147109
1233437
1324c58
141aadd
1515241
hex109ab

68011 has 4 divisors (see below), whose sum is σ = 70992. Its totient is φ = 65032.

The previous prime is 67993. The next prime is 68023. The reversal of 68011 is 11086.

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 68011 - 25 = 67979 is a prime.

It is a super-2 number, since 2×680112 = 9250992242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (17748).

268011 is an apocalyptic number.

68011 is a deficient number, since it is larger than the sum of its proper divisors (2981).

68011 is a wasteful number, since it uses less digits than its factorization.

68011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 68011 is about 260.7891868924. The cubic root of 68011 is about 40.8187517930.

Adding to 68011 its reverse (11086), we get a palindrome (79097).

The spelling of 68011 in words is "sixty-eight thousand, eleven".

Divisors: 1 23 2957 68011