Base | Representation |
---|---|
bin | 100101010001101011… |
… | …0110100010001111101 |
3 | 21122121211100100021000 |
4 | 1022203112310101331 |
5 | 2302420310010340 |
6 | 100435143000513 |
7 | 5532500305032 |
oct | 1124326642175 |
9 | 248554310230 |
10 | 80050078845 |
11 | 30a49201060 |
12 | 13620739139 |
13 | 771961a079 |
14 | 3c35693389 |
15 | 2137ab1d30 |
hex | 12a35b447d |
80050078845 has 32 divisors (see below), whose sum is σ = 155248640640. Its totient is φ = 38812158720.
The previous prime is 80050078831. The next prime is 80050078847. The reversal of 80050078845 is 54887005008.
It is not a de Polignac number, because 80050078845 - 26 = 80050078781 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 80050078845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80050078847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26951404 + ... + 26954373.
It is an arithmetic number, because the mean of its divisors is an integer number (4851520020).
Almost surely, 280050078845 is an apocalyptic number.
It is an amenable number.
80050078845 is a deficient number, since it is larger than the sum of its proper divisors (75198561795).
80050078845 is a wasteful number, since it uses less digits than its factorization.
80050078845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53905802 (or 53905796 counting only the distinct ones).
The product of its (nonzero) digits is 358400, while the sum is 45.
The spelling of 80050078845 in words is "eighty billion, fifty million, seventy-eight thousand, eight hundred forty-five".
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