Base | Representation |
---|---|
bin | 100101100101000101… |
… | …1111010101010001011 |
3 | 21201022020011122002200 |
4 | 1023022023322222023 |
5 | 2310234043022221 |
6 | 101023533531243 |
7 | 5554600465524 |
oct | 1131213725213 |
9 | 251266148080 |
10 | 80701532811 |
11 | 31252a03069 |
12 | 13782943b23 |
13 | 77c158caa3 |
14 | 3c97dd184b |
15 | 2174d95426 |
hex | 12ca2faa8b |
80701532811 has 12 divisors (see below), whose sum is σ = 116571342888. Its totient is φ = 53799885504.
The previous prime is 80701532803. The next prime is 80701532837. The reversal of 80701532811 is 11823510708.
It is not a de Polignac number, because 80701532811 - 23 = 80701532803 is a prime.
It is a super-3 number, since 3×807015328113 (a number of 34 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (80701532851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796051 + ... + 891683.
It is an arithmetic number, because the mean of its divisors is an integer number (9714278574).
Almost surely, 280701532811 is an apocalyptic number.
80701532811 is a deficient number, since it is larger than the sum of its proper divisors (35869810077).
80701532811 is a wasteful number, since it uses less digits than its factorization.
80701532811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189402 (or 189399 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 36.
The spelling of 80701532811 in words is "eighty billion, seven hundred one million, five hundred thirty-two thousand, eight hundred eleven".
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