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808008000087 = 3269336000029
BaseRepresentation
bin10111100001000010000…
…01111010001001010111
32212020121110121021221110
423300201001322021113
5101214300022000322
61415105503350103
7112243122452031
oct13604101721127
92766543537843
10808008000087
112917464a6792
121107202b2333
135b26c060c72
142b171b12c51
151604136cc0c
hexbc2107a257

808008000087 has 4 divisors (see below), whose sum is σ = 1077344000120. Its totient is φ = 538672000056.

The previous prime is 808008000073. The next prime is 808008000097. The reversal of 808008000087 is 780000800808.

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

It is not a de Polignac number, because 808008000087 - 24 = 808008000071 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 (808008000097) 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, 134668000012 + ... + 134668000017.

It is an arithmetic number, because the mean of its divisors is an integer number (269336000030).

Almost surely, 2808008000087 is an apocalyptic number.

808008000087 is a deficient number, since it is larger than the sum of its proper divisors (269336000033).

808008000087 is a wasteful number, since it uses less digits than its factorization.

808008000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269336000032.

The product of its (nonzero) digits is 28672, while the sum is 39.

The spelling of 808008000087 in words is "eight hundred eight billion, eight million, eighty-seven", and thus it is an aban number.

Divisors: 1 3 269336000029 808008000087