Base | Representation |
---|---|
bin | 100101011101110001… |
… | …0001010110101111010 |
3 | 21200200002121102220000 |
4 | 1022323202022311322 |
5 | 2304233130124101 |
6 | 100543313013430 |
7 | 5545524143301 |
oct | 1127342126572 |
9 | 250602542800 |
10 | 80455708026 |
11 | 31137171291 |
12 | 13714554276 |
13 | 778267c935 |
14 | 3c734c1438 |
15 | 215d4d8486 |
hex | 12bb88ad7a |
80455708026 has 80 divisors (see below), whose sum is σ = 188354415744. Its totient is φ = 25620398496.
The previous prime is 80455708009. The next prime is 80455708043. The reversal of 80455708026 is 62080755408.
It is an interprime number because it is at equal distance from previous prime (80455708009) and next prime (80455708043).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3053380 + ... + 3079616.
Almost surely, 280455708026 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80455708026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94177207872).
80455708026 is an abundant number, since it is smaller than the sum of its proper divisors (107898707718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80455708026 is a wasteful number, since it uses less digits than its factorization.
80455708026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27097 (or 27088 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The spelling of 80455708026 in words is "eighty billion, four hundred fifty-five million, seven hundred eight thousand, twenty-six".
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