Base | Representation |
---|---|
bin | 10010001110111010111100… |
… | …100010001010000100101101 |
3 | 101111221002221002101111001200 |
4 | 102032322330202022010231 |
5 | 41002314013314041320 |
6 | 442314512004000113 |
7 | 22614356654435625 |
oct | 2216727442120455 |
9 | 344832832344050 |
10 | 80190202487085 |
11 | 23607523827929 |
12 | 8bb1494690039 |
13 | 3598b9940c272 |
14 | 15b3325781885 |
15 | 940de7b9b290 |
hex | 48eebc88a12d |
80190202487085 has 12 divisors (see below), whose sum is σ = 138996350977692. Its totient is φ = 42768107993088.
The previous prime is 80190202487081. The next prime is 80190202487107. The reversal of 80190202487085 is 58078420209108.
80190202487085 is a `hidden beast` number, since 80 + 1 + 9 + 0 + 2 + 0 + 2 + 487 + 0 + 85 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 54901031087529 + 25289171399556 = 7409523^2 + 5028834^2 .
It is not a de Polignac number, because 80190202487085 - 22 = 80190202487081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80190202487081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891002249812 + ... + 891002249901.
It is an arithmetic number, because the mean of its divisors is an integer number (11583029248141).
Almost surely, 280190202487085 is an apocalyptic number.
It is an amenable number.
80190202487085 is a deficient number, since it is larger than the sum of its proper divisors (58806148490607).
80190202487085 is a wasteful number, since it uses less digits than its factorization.
80190202487085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782004499724 (or 1782004499721 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The spelling of 80190202487085 in words is "eighty trillion, one hundred ninety billion, two hundred two million, four hundred eighty-seven thousand, eighty-five".
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