Base | Representation |
---|---|
bin | 100101011110001001… |
… | …1101001010110000000 |
3 | 21200201000000101101000 |
4 | 1022330103221112000 |
5 | 2304244440144031 |
6 | 100544455012000 |
7 | 5546042322546 |
oct | 1127423512600 |
9 | 250630011330 |
10 | 80468678016 |
11 | 3114351a891 |
12 | 1371896a000 |
13 | 778527129c |
14 | 3c750d9d96 |
15 | 215e6eb3e6 |
hex | 12bc4e9580 |
80468678016 has 256 divisors, whose sum is σ = 255598372800. Its totient is φ = 24830115840.
The previous prime is 80468678009. The next prime is 80468678053. The reversal of 80468678016 is 61087686408.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3572646 + ... + 3595098.
Almost surely, 280468678016 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 80468678016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127799186400).
80468678016 is an abundant number, since it is smaller than the sum of its proper divisors (175129694784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80468678016 is a wasteful number, since it uses less digits than its factorization.
80468678016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22554 (or 22536 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 54.
The spelling of 80468678016 in words is "eighty billion, four hundred sixty-eight million, six hundred seventy-eight thousand, sixteen".
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