Search a number
-
+
808008088220 = 2251072391579807
BaseRepresentation
bin10111100001000010000…
…10001111101010011100
32212020121110202202211122
423300201002033222130
5101214300032310340
61415105505310112
7112243123300004
oct13604102175234
92766543682748
10808008088220
11291746556a23
12110720335338
135b26c092108
142b171b37004
1516041388db5
hexbc2108fa9c

808008088220 has 48 divisors (see below), whose sum is σ = 1719842181120. Its totient is φ = 318842766144.

The previous prime is 808008088207. The next prime is 808008088247. The reversal of 808008088220 is 22880800808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278444 + ... + 1301363.

It is an arithmetic number, because the mean of its divisors is an integer number (35830045440).

Almost surely, 2808008088220 is an apocalyptic number.

It is an amenable number.

808008088220 is an abundant number, since it is smaller than the sum of its proper divisors (911834092900).

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

808008088220 is a wasteful number, since it uses less digits than its factorization.

808008088220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580162 (or 1580160 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 808008088220 in words is "eight hundred eight billion, eight million, eighty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 239 428 478 535 956 1070 1195 2140 2390 4780 25573 51146 102292 127865 255730 511460 1579807 3159614 6319228 7899035 15798070 31596140 169039349 338078698 377573873 676157396 755147746 845196745 1510295492 1690393490 1887869365 3380786980 3775738730 7551477460 40400404411 80800808822 161601617644 202002022055 404004044110 808008088220