Base | Representation |
---|---|
bin | 100101010001110101… |
… | …0001000000110000110 |
3 | 21122122011212111212200 |
4 | 1022203222020012012 |
5 | 2302423104000432 |
6 | 100435443255330 |
7 | 5532561316533 |
oct | 1124352100606 |
9 | 248564774780 |
10 | 80055140742 |
11 | 30a51049145 |
12 | 1362237a546 |
13 | 771a6a0085 |
14 | 3c3620dd8a |
15 | 2138261a7c |
hex | 12a3a88186 |
80055140742 has 48 divisors (see below), whose sum is σ = 183918395232. Its totient is φ = 25079443200.
The previous prime is 80055140731. The next prime is 80055140771. The reversal of 80055140742 is 24704155008.
It is a super-3 number, since 3×800551407423 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80055140697 and 80055140706.
It is a congruent number.
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, 27903 + ... + 401109.
It is an arithmetic number, because the mean of its divisors is an integer number (3831633234).
Almost surely, 280055140742 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80055140742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91959197616).
80055140742 is an abundant number, since it is smaller than the sum of its proper divisors (103863254490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80055140742 is a wasteful number, since it uses less digits than its factorization.
80055140742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373933 (or 373930 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 36.
The spelling of 80055140742 in words is "eighty billion, fifty-five million, one hundred forty thousand, seven hundred forty-two".
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