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2008068853 = 72401102197
BaseRepresentation
bin111011110110000…
…1011001011110101
312011221112110121111
41313230023023311
513103031200403
6531131515021
7100522206100
oct16754131365
95157473544
102008068853
1194055893a
124805b8a71
13260040c2b
14150999737
15bb45856d
hex77b0b2f5

2008068853 has 12 divisors (see below), whose sum is σ = 2341764972. Its totient is φ = 1716892800.

The previous prime is 2008068841. The next prime is 2008068863. The reversal of 2008068853 is 3588608002.

It can be written as a sum of positive squares in 2 ways, for example, as 1850892484 + 157176369 = 43022^2 + 12537^2 .

It is not a de Polignac number, because 2008068853 - 29 = 2008068341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008068833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31450 + ... + 70747.

It is an arithmetic number, because the mean of its divisors is an integer number (195147081).

Almost surely, 22008068853 is an apocalyptic number.

It is an amenable number.

2008068853 is a deficient number, since it is larger than the sum of its proper divisors (333696119).

2008068853 is a wasteful number, since it uses less digits than its factorization.

2008068853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102612 (or 102605 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 2008068853 is about 44811.4812631763. The cubic root of 2008068853 is about 1261.6131293646.

The spelling of 2008068853 in words is "two billion, eight million, sixty-eight thousand, eight hundred fifty-three".

Divisors: 1 7 49 401 2807 19649 102197 715379 5007653 40980997 286866979 2008068853