Base | Representation |
---|---|
bin | 100101100000000111… |
… | …0010011100110010010 |
3 | 21200212120122202021102 |
4 | 1023000032103212102 |
5 | 2304413300341330 |
6 | 100555203224402 |
7 | 5550500665313 |
oct | 1130016234622 |
9 | 250776582242 |
10 | 80534387090 |
11 | 31177620003 |
12 | 13736978102 |
13 | 7795a699b1 |
14 | 3c7db2260a |
15 | 216537a945 |
hex | 12c0393992 |
80534387090 has 16 divisors (see below), whose sum is σ = 144979030872. Its totient is φ = 32209947264.
The previous prime is 80534387029. The next prime is 80534387123. The reversal of 80534387090 is 9078343508.
It can be written as a sum of positive squares in 4 ways, for example, as 80381889289 + 152497801 = 283517^2 + 12349^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386309 + ... + 557048.
Almost surely, 280534387090 is an apocalyptic number.
80534387090 is a deficient number, since it is larger than the sum of its proper divisors (64444643782).
80534387090 is a wasteful number, since it uses less digits than its factorization.
80534387090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 951901.
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 80534387090 in words is "eighty billion, five hundred thirty-four million, three hundred eighty-seven thousand, ninety".
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