Base | Representation |
---|---|
bin | 10010010010011011100111… |
… | …011000000110111001000000 |
3 | 101112210011121022021111111000 |
4 | 102102123213120012321000 |
5 | 41020242041444111342 |
6 | 443021405421052000 |
7 | 22640660022633510 |
oct | 2222334730067100 |
9 | 345704538244430 |
10 | 80431439441472 |
11 | 2369a8667a3219 |
12 | 903019a3b7000 |
13 | 35b5862b43662 |
14 | 15c0c8c41d840 |
15 | 9473164e244c |
hex | 4926e7606e40 |
80431439441472 has 448 divisors, whose sum is σ = 290158683770880. Its totient is φ = 21323990016000.
The previous prime is 80431439441467. The next prime is 80431439441513. The reversal of 80431439441472 is 27414493413408.
80431439441472 is a `hidden beast` number, since 8 + 0 + 4 + 3 + 1 + 43 + 94 + 41 + 472 = 666.
It is a tau number, because it is divible by the number of its divisors (448).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11845347 + ... + 17354397.
Almost surely, 280431439441472 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 80431439441472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145079341885440).
80431439441472 is an abundant number, since it is smaller than the sum of its proper divisors (209727244329408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80431439441472 is a wasteful number, since it uses less digits than its factorization.
80431439441472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5509167 (or 5509151 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 54.
The spelling of 80431439441472 in words is "eighty trillion, four hundred thirty-one billion, four hundred thirty-nine million, four hundred forty-one thousand, four hundred seventy-two".
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