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68626011 = 322875337
BaseRepresentation
bin1000001011100…
…10011001011011
311210010120012010
410011302121123
5120032013021
610450521003
71462211556
oct405623133
9153116163
1068626011
1135812813
121ab96163
13112aa30c
14918569d
156058976
hex417265b

68626011 has 4 divisors (see below), whose sum is σ = 91501352. Its totient is φ = 45750672.

The previous prime is 68626007. The next prime is 68626013. The reversal of 68626011 is 11062686.

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

It is not a de Polignac number, because 68626011 - 22 = 68626007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68626011.

It is not an unprimeable number, because it can be changed into a prime (68626013) 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, 11437666 + ... + 11437671.

It is an arithmetic number, because the mean of its divisors is an integer number (22875338).

Almost surely, 268626011 is an apocalyptic number.

68626011 is a deficient number, since it is larger than the sum of its proper divisors (22875341).

68626011 is a wasteful number, since it uses less digits than its factorization.

68626011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22875340.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 68626011 is about 8284.0817837585. The cubic root of 68626011 is about 409.4142160128.

Adding to 68626011 its reverse (11062686), we get a palindrome (79688697).

The spelling of 68626011 in words is "sixty-eight million, six hundred twenty-six thousand, eleven".

Divisors: 1 3 22875337 68626011