Base | Representation |
---|---|
bin | 100101011011111111… |
… | …1110111010101011010 |
3 | 21200111221222110001020 |
4 | 1022313333313111122 |
5 | 2304122433233303 |
6 | 100533353303310 |
7 | 5544203661600 |
oct | 1126777672532 |
9 | 250457873036 |
10 | 80396383578 |
11 | 31106731a15 |
12 | 136b8704b36 |
13 | 77732ab304 |
14 | 3c6967b870 |
15 | 21581baa53 |
hex | 12b7ff755a |
80396383578 has 48 divisors (see below), whose sum is σ = 198047286144. Its totient is φ = 21619194240.
The previous prime is 80396383553. The next prime is 80396383583. The reversal of 80396383578 is 87538369308.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8037858 + ... + 8047853.
It is an arithmetic number, because the mean of its divisors is an integer number (4125985128).
Almost surely, 280396383578 is an apocalyptic number.
80396383578 is an abundant number, since it is smaller than the sum of its proper divisors (117650902566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80396383578 is a wasteful number, since it uses less digits than its factorization.
80396383578 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16085747 (or 16085740 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 60.
The spelling of 80396383578 in words is "eighty billion, three hundred ninety-six million, three hundred eighty-three thousand, five hundred seventy-eight".
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