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808869084160 = 2105379341651
BaseRepresentation
bin10111100010101000101…
…10101011110000000000
32212022211110212220020011
423301110112223300000
5101223030441143120
61415331143354304
7112303346526154
oct13612426536000
92768743786204
10808869084160
11292048568a15
12110920752994
135b378580377
142b21421d064
1516091c5dc5a
hexbc545abc00

808869084160 has 88 divisors (see below), whose sum is σ = 1940896064016. Its totient is φ = 323454566400.

The previous prime is 808869084139. The next prime is 808869084167. The reversal of 808869084160 is 61480968808.

It is a junction number, because it is equal to n+sod(n) for n = 808869084095 and 808869084104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808869084167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19399335 + ... + 19440985.

Almost surely, 2808869084160 is an apocalyptic number.

808869084160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808869084160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970448032008).

808869084160 is an abundant number, since it is smaller than the sum of its proper divisors (1132026979856).

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

808869084160 is a wasteful number, since it uses less digits than its factorization.

808869084160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45469 (or 45451 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The spelling of 808869084160 in words is "eight hundred eight billion, eight hundred sixty-nine million, eighty-four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 3793 5120 7586 15172 18965 30344 37930 41651 60688 75860 83302 121376 151720 166604 208255 242752 303440 333208 416510 485504 606880 666416 833020 971008 1213760 1332832 1666040 1942016 2427520 2665664 3332080 3884032 4855040 5331328 6664160 9710080 10662656 13328320 19420160 21325312 26656640 42650624 53313280 106626560 157982243 213253120 315964486 631928972 789911215 1263857944 1579822430 2527715888 3159644860 5055431776 6319289720 10110863552 12638579440 20221727104 25277158880 40443454208 50554317760 80886908416 101108635520 161773816832 202217271040 404434542080 808869084160