Base | Representation |
---|---|
bin | 100101011001011011… |
… | …0001011000000000000 |
3 | 21200021221100111112100 |
4 | 1022302312023000000 |
5 | 2303433322102413 |
6 | 100521025030400 |
7 | 5542104240120 |
oct | 1126266130000 |
9 | 250257314470 |
10 | 80309956608 |
11 | 31071971072 |
12 | 13693785400 |
13 | 775b40a7ab |
14 | 3c5bdc0c80 |
15 | 21507e7a73 |
hex | 12b2d8b000 |
80309956608 has 312 divisors, whose sum is σ = 267144550400. Its totient is φ = 22770450432.
The previous prime is 80309956577. The next prime is 80309956613. The reversal of 80309956608 is 80665990308.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35867553 + ... + 35869791.
Almost surely, 280309956608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80309956608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133572275200).
80309956608 is an abundant number, since it is smaller than the sum of its proper divisors (186834593792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80309956608 is a wasteful number, since it uses less digits than its factorization.
80309956608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2415 (or 2390 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 54.
The spelling of 80309956608 in words is "eighty billion, three hundred nine million, nine hundred fifty-six thousand, six hundred eight".
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