| Base | Representation |
|---|---|
| bin | 10010010001110001110110… |
| … | …011011110111100000000000 |
| 3 | 101112121212212000102012201100 |
| 4 | 102101301312123313200000 |
| 5 | 41014023221300204030 |
| 6 | 442545031503334400 |
| 7 | 22634511521600550 |
| oct | 2221616633674000 |
| 9 | 345555760365640 |
| 10 | 80386594928640 |
| 11 | 23682844187a70 |
| 12 | 9023563bb1400 |
| 13 | 35b1567202b70 |
| 14 | 15bca366a7160 |
| 15 | 94608e569360 |
| hex | 491c766f7800 |
80386594928640 has 2304 divisors, whose sum is σ = 386152278220800. Its totient is φ = 14920895692800.
The previous prime is 80386594928617. The next prime is 80386594928663. The reversal of 80386594928640 is 4682949568308.
It is a happy number.
80386594928640 is a `hidden beast` number, since 8 + 0 + 3 + 8 + 6 + 59 + 492 + 86 + 4 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (80386594928617) and next prime (80386594928663).
It is a tau number, because it is divible by the number of its divisors (2304).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2859802906 + ... + 2859831014.
It is an arithmetic number, because the mean of its divisors is an integer number (167600815200).
Almost surely, 280386594928640 is an apocalyptic number.
80386594928640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80386594928640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193076139110400).
80386594928640 is an abundant number, since it is smaller than the sum of its proper divisors (305765683292160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80386594928640 is a wasteful number, since it uses less digits than its factorization.
80386594928640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28204 (or 28181 counting only the distinct ones).
The product of its (nonzero) digits is 716636160, while the sum is 72.
The spelling of 80386594928640 in words is "eighty trillion, three hundred eighty-six billion, five hundred ninety-four million, nine hundred twenty-eight thousand, six hundred forty".
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