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80800080808 = 2319531579479
BaseRepresentation
bin100101101000000001…
…1110110001110101000
321201120002121101112111
41023100003312032220
52310434310041213
6101041414052104
75560205232466
oct1132003661650
9251502541474
1080800080808
11312a35a2697
12137ab94a034
137808b15705
143ca7125836
15217d85ea3d
hex12d00f63a8

80800080808 has 16 divisors (see below), whose sum is σ = 159473844000. Its totient is φ = 38273722416.

The previous prime is 80800080761. The next prime is 80800080847. The reversal of 80800080808 is 80808000808.

It is a happy number.

80800080808 is a modest number, since divided by 80808 gives 80800 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265789588 + ... + 265789891.

It is an arithmetic number, because the mean of its divisors is an integer number (9967115250).

Almost surely, 280800080808 is an apocalyptic number.

It is an amenable number.

80800080808 is a deficient number, since it is larger than the sum of its proper divisors (78673763192).

80800080808 is a wasteful number, since it uses less digits than its factorization.

80800080808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579504 (or 531579500 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 40.

The spelling of 80800080808 in words is "eighty billion, eight hundred million, eighty thousand, eight hundred eight".

Divisors: 1 2 4 8 19 38 76 152 531579479 1063158958 2126317916 4252635832 10100010101 20200020202 40400040404 80800080808