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8000008809 = 313205128431
BaseRepresentation
bin1110111001101011…
…00111001001101001
3202122112102112222120
413130311213021221
5112341000240214
63401455541453
7402150644562
oct73465471151
922575375876
108000008809
113435884031
12167322a889
139a6547130
1455c6ab169
1531c4ecea9
hex1dcd67269

8000008809 has 8 divisors (see below), whose sum is σ = 11487192192. Its totient is φ = 4923082320.

The previous prime is 8000008727. The next prime is 8000008837. The reversal of 8000008809 is 9088000008.

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

It is not a de Polignac number, because 8000008809 - 28 = 8000008553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8000008809.

It is not an unprimeable number, because it can be changed into a prime (8000008609) 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 7 ways as a sum of consecutive naturals, for example, 102564177 + ... + 102564254.

It is an arithmetic number, because the mean of its divisors is an integer number (1435899024).

Almost surely, 28000008809 is an apocalyptic number.

It is an amenable number.

8000008809 is a deficient number, since it is larger than the sum of its proper divisors (3487183383).

8000008809 is a wasteful number, since it uses less digits than its factorization.

8000008809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205128447.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 8000008809 is about 89442.7683437851. The cubic root of 8000008809 is about 2000.0007340831. Note that the first 3 decimals are identical.

The spelling of 8000008809 in words is "eight billion, eight thousand, eight hundred nine".

Divisors: 1 3 13 39 205128431 615385293 2666669603 8000008809