Base | Representation |
---|---|
bin | 100101011001010111… |
… | …0101111000101100001 |
3 | 21200021210200110112110 |
4 | 1022302232233011201 |
5 | 2303432322213030 |
6 | 100520515145533 |
7 | 5542051540653 |
oct | 1126256570541 |
9 | 250253613473 |
10 | 80308007265 |
11 | 3107085a542 |
12 | 13692ba52a9 |
13 | 775aba7435 |
14 | 3c5ba346d3 |
15 | 21505601b0 |
hex | 12b2baf161 |
80308007265 has 16 divisors (see below), whose sum is σ = 128518769088. Its totient is φ = 42822284736.
The previous prime is 80308007231. The next prime is 80308007279. The reversal of 80308007265 is 56270080308.
It is not a de Polignac number, because 80308007265 - 27 = 80308007137 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 463699 + ... + 612888.
It is an arithmetic number, because the mean of its divisors is an integer number (8032423068).
Almost surely, 280308007265 is an apocalyptic number.
It is an amenable number.
80308007265 is a deficient number, since it is larger than the sum of its proper divisors (48210761823).
80308007265 is a wasteful number, since it uses less digits than its factorization.
80308007265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1081568.
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 80308007265 in words is "eighty billion, three hundred eight million, seven thousand, two hundred sixty-five".
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