Base | Representation |
---|---|
bin | 10111100001011010110… |
… | …11101001101111001111 |
3 | 2212021010222010121100200 |
4 | 23300231123221233033 |
5 | 101220211303401330 |
6 | 1415142255224543 |
7 | 112251230201043 |
oct | 13605533515717 |
9 | 2767128117320 |
10 | 808216075215 |
11 | 2918429a46aa |
12 | 110779b18153 |
13 | 5b2a31b4943 |
14 | 2b1915d8023 |
15 | 1605476ea60 |
hex | bc2d6e9bcf |
808216075215 has 48 divisors (see below), whose sum is σ = 1449489993120. Its totient is φ = 416105867520.
The previous prime is 808216075169. The next prime is 808216075217. The reversal of 808216075215 is 512570612808.
808216075215 is a `hidden beast` number, since 8 + 0 + 8 + 21 + 607 + 5 + 2 + 15 = 666.
It is not a de Polignac number, because 808216075215 - 212 = 808216071119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808216075217) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7161969 + ... + 7273941.
It is an arithmetic number, because the mean of its divisors is an integer number (30197708190).
Almost surely, 2808216075215 is an apocalyptic number.
808216075215 is a deficient number, since it is larger than the sum of its proper divisors (641273917905).
808216075215 is a wasteful number, since it uses less digits than its factorization.
808216075215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117544 (or 117541 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 45.
The spelling of 808216075215 in words is "eight hundred eight billion, two hundred sixteen million, seventy-five thousand, two hundred fifteen".
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