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808500012 = 22383811747
BaseRepresentation
bin110000001100001…
…011101100101100
32002100100001111220
4300030023230230
53123434000022
6212120543340
726015064615
oct6014135454
92070301456
10808500012
11385417031
121a6921b50
13cb66aa98
147953cc0c
154aea585c
hex3030bb2c

808500012 has 24 divisors (see below), whose sum is σ = 1909231296. Its totient is φ = 266252688.

The previous prime is 808499977. The next prime is 808500023. The reversal of 808500012 is 210005808.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 404878 + ... + 406869.

It is an arithmetic number, because the mean of its divisors is an integer number (79551304).

Almost surely, 2808500012 is an apocalyptic number.

It is an amenable number.

808500012 is an abundant number, since it is smaller than the sum of its proper divisors (1100731284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808500012 is a wasteful number, since it uses less digits than its factorization.

808500012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811837 (or 811835 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 808500012 is about 28434.1346272398. The cubic root of 808500012 is about 931.5939874088.

The spelling of 808500012 in words is "eight hundred eight million, five hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 811747 1623494 2435241 3246988 4870482 9740964 67375001 134750002 202125003 269500004 404250006 808500012