Base | Representation |
---|---|
bin | 100101011001010110… |
… | …0111010001010001010 |
3 | 21200021202210010120010 |
4 | 1022302230322022022 |
5 | 2303432211401310 |
6 | 100520501012350 |
7 | 5542044504441 |
oct | 1126254721212 |
9 | 250252703503 |
10 | 80307528330 |
11 | 31070562727 |
12 | 136929b40b6 |
13 | 775aa6a443 |
14 | 3c5b94bd58 |
15 | 21504b8320 |
hex | 12b2b3a28a |
80307528330 has 32 divisors (see below), whose sum is σ = 198955427328. Its totient is φ = 20724523200.
The previous prime is 80307528313. The next prime is 80307528359. The reversal of 80307528330 is 3382570308.
It is a Curzon number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 43175161 + ... + 43177020.
It is an arithmetic number, because the mean of its divisors is an integer number (6217357104).
Almost surely, 280307528330 is an apocalyptic number.
80307528330 is an abundant number, since it is smaller than the sum of its proper divisors (118647898998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80307528330 is a wasteful number, since it uses less digits than its factorization.
80307528330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86352222.
The product of its (nonzero) digits is 120960, while the sum is 39.
It can be divided in two parts, 803075 and 28330, that added together give a triangular number (831405 = T1289).
The spelling of 80307528330 in words is "eighty billion, three hundred seven million, five hundred twenty-eight thousand, three hundred thirty".
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