Base | Representation |
---|---|
bin | 100101101000000001… |
… | …1111000100110110110 |
3 | 21201120002121212220022 |
4 | 1023100003320212312 |
5 | 2310434310344200 |
6 | 101041414205142 |
7 | 5560205303054 |
oct | 1132003704666 |
9 | 251502555808 |
10 | 80800090550 |
11 | 312a35a9a43 |
12 | 137ab9537b2 |
13 | 7808b19c8a |
14 | 3ca71291d4 |
15 | 217d862885 |
hex | 12d00f89b6 |
80800090550 has 12 divisors (see below), whose sum is σ = 150288168516. Its totient is φ = 32320036200.
The previous prime is 80800090543. The next prime is 80800090601. The reversal of 80800090550 is 5509000808.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 80800090550.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 808000856 + ... + 808000955.
It is an arithmetic number, because the mean of its divisors is an integer number (12524014043).
Almost surely, 280800090550 is an apocalyptic number.
80800090550 is a deficient number, since it is larger than the sum of its proper divisors (69488077966).
80800090550 is a wasteful number, since it uses less digits than its factorization.
80800090550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1616001823 (or 1616001818 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 35.
The spelling of 80800090550 in words is "eighty billion, eight hundred million, ninety thousand, five hundred fifty".
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