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68011295 = 5111976277
BaseRepresentation
bin1000000110111…
…00010100011111
311201222022221212
410003130110133
5114402330140
610425415035
71454041442
oct403342437
9151868855
1068011295
1135432990
121a93a47b
1311123591
149065659
155e86765
hex40dc51f

68011295 has 16 divisors (see below), whose sum is σ = 89499168. Its totient is φ = 49203840.

The previous prime is 68011289. The next prime is 68011297. The reversal of 68011295 is 59211086.

It is not a de Polignac number, because 68011295 - 28 = 68011039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68011297) 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 15 ways as a sum of consecutive naturals, for example, 7697 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (5593698).

Almost surely, 268011295 is an apocalyptic number.

68011295 is a deficient number, since it is larger than the sum of its proper divisors (21487873).

68011295 is a wasteful number, since it uses less digits than its factorization.

68011295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 68011295 is about 8246.8960827696. The cubic root of 68011295 is about 408.1881081045.

The spelling of 68011295 in words is "sixty-eight million, eleven thousand, two hundred ninety-five".

Divisors: 1 5 11 55 197 985 2167 6277 10835 31385 69047 345235 1236569 6182845 13602259 68011295