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80808808898 = 271569076119
BaseRepresentation
bin100101101000010010…
…1001001000111000010
321201120201000211020002
41023100211021013002
52310444023341043
6101042325120002
75560342354016
oct1132045110702
9251521024202
1080808808898
11312a8514194
12137b2859002
13780a88036c
143ca8358546
15217e4d5bb8
hex12d09491c2

80808808898 has 8 divisors (see below), whose sum is σ = 122920441920. Its totient is φ = 39835328260.

The previous prime is 80808808897. The next prime is 80808808943. The reversal of 80808808898 is 89880880808.

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

It is not an unprimeable number, because it can be changed into a prime (80808808897) 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, 284537918 + ... + 284538201.

It is an arithmetic number, because the mean of its divisors is an integer number (15365055240).

Almost surely, 280808808898 is an apocalyptic number.

80808808898 is a deficient number, since it is larger than the sum of its proper divisors (42111633022).

80808808898 is a wasteful number, since it uses less digits than its factorization.

80808808898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569076192.

The product of its (nonzero) digits is 18874368, while the sum is 65.

The spelling of 80808808898 in words is "eighty billion, eight hundred eight million, eight hundred eight thousand, eight hundred ninety-eight".

Divisors: 1 2 71 142 569076119 1138152238 40404404449 80808808898