Base | Representation |
---|---|
bin | 100101010001010101… |
… | …1101011100101100101 |
3 | 21122121001001211212121 |
4 | 1022202223223211211 |
5 | 2302404411133140 |
6 | 100434100345541 |
7 | 5532302220502 |
oct | 1124253534545 |
9 | 248531054777 |
10 | 80038771045 |
11 | 30a42888372 |
12 | 136189a52b1 |
13 | 771718b16c |
14 | 3c33d8c4a9 |
15 | 2136acb64a |
hex | 12a2aeb965 |
80038771045 has 4 divisors (see below), whose sum is σ = 96046525260. Its totient is φ = 64031016832.
The previous prime is 80038771019. The next prime is 80038771093. The reversal of 80038771045 is 54017783008.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 42535350081 + 37503420964 = 206241^2 + 193658^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80038771045 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80038770992 and 80038771010.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 8003877100 + ... + 8003877109.
It is an arithmetic number, because the mean of its divisors is an integer number (24011631315).
Almost surely, 280038771045 is an apocalyptic number.
It is an amenable number.
80038771045 is a deficient number, since it is larger than the sum of its proper divisors (16007754215).
80038771045 is a wasteful number, since it uses less digits than its factorization.
80038771045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16007754214.
The product of its (nonzero) digits is 188160, while the sum is 43.
The spelling of 80038771045 in words is "eighty billion, thirty-eight million, seven hundred seventy-one thousand, forty-five".
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