Base | Representation |
---|---|
bin | 100101011111001001… |
… | …1010000100101111010 |
3 | 21200210022221222022212 |
4 | 1022332103100211322 |
5 | 2304332021143231 |
6 | 100552052015122 |
7 | 5546626552400 |
oct | 1127623204572 |
9 | 250708858285 |
10 | 80502131066 |
11 | 31160399635 |
12 | 137280014a2 |
13 | 778c184ba6 |
14 | 3c79727470 |
15 | 216260842b |
hex | 12be4d097a |
80502131066 has 48 divisors (see below), whose sum is σ = 146073507840. Its totient is φ = 33136598880.
The previous prime is 80502131033. The next prime is 80502131071. The reversal of 80502131066 is 66013120508.
It is a happy 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 23 ways as a sum of consecutive naturals, for example, 468671 + ... + 616973.
It is an arithmetic number, because the mean of its divisors is an integer number (3043198080).
Almost surely, 280502131066 is an apocalyptic number.
80502131066 is a deficient number, since it is larger than the sum of its proper divisors (65571376774).
80502131066 is a wasteful number, since it uses less digits than its factorization.
80502131066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148539 (or 148532 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The spelling of 80502131066 in words is "eighty billion, five hundred two million, one hundred thirty-one thousand, sixty-six".
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