Base | Representation |
---|---|
bin | 100101010001010010… |
… | …0010111000101110101 |
3 | 21122120220110100120000 |
4 | 1022202210113011311 |
5 | 2302403413231320 |
6 | 100433551301513 |
7 | 5532250006041 |
oct | 1124244270565 |
9 | 248526410500 |
10 | 80036852085 |
11 | 30a41797653 |
12 | 1361821a899 |
13 | 7716968898 |
14 | 3c33a0d021 |
15 | 213684cc90 |
hex | 12a2917175 |
80036852085 has 80 divisors (see below), whose sum is σ = 146253919680. Its totient is φ = 41862562560.
The previous prime is 80036852083. The next prime is 80036852111. The reversal of 80036852085 is 58025863008.
It is a happy number.
80036852085 is a `hidden beast` number, since 80 + 0 + 368 + 5 + 208 + 5 = 666.
It is not a de Polignac number, because 80036852085 - 21 = 80036852083 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 80036852085.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80036852083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10581705 + ... + 10589265.
It is an arithmetic number, because the mean of its divisors is an integer number (1828173996).
Almost surely, 280036852085 is an apocalyptic number.
It is an amenable number.
80036852085 is a deficient number, since it is larger than the sum of its proper divisors (66217067595).
80036852085 is a wasteful number, since it uses less digits than its factorization.
80036852085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8080 (or 8071 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 45.
The spelling of 80036852085 in words is "eighty billion, thirty-six million, eight hundred fifty-two thousand, eighty-five".
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