Base | Representation |
---|---|
bin | 100101010101101100… |
… | …1001100101010011011 |
3 | 21122222020002000112221 |
4 | 1022223121030222123 |
5 | 2303204314430411 |
6 | 100500401044511 |
7 | 5536025403046 |
oct | 1125331145233 |
9 | 248866060487 |
10 | 80184920731 |
11 | 3100832a833 |
12 | 13659926737 |
13 | 773b53c676 |
14 | 3c49553c5d |
15 | 214484a071 |
hex | 12ab64ca9b |
80184920731 has 8 divisors (see below), whose sum is σ = 85304062224. Its totient is φ = 75110488320.
The previous prime is 80184920719. The next prime is 80184920737. The reversal of 80184920731 is 13702948108.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80184920731 - 223 = 80176532123 is a prime.
It is a super-3 number, since 3×801849207313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80184920737) 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 7 ways as a sum of consecutive naturals, for example, 11173570 + ... + 11180743.
It is an arithmetic number, because the mean of its divisors is an integer number (10663007778).
Almost surely, 280184920731 is an apocalyptic number.
80184920731 is a deficient number, since it is larger than the sum of its proper divisors (5119141493).
80184920731 is a wasteful number, since it uses less digits than its factorization.
80184920731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22354541.
The product of its (nonzero) digits is 96768, while the sum is 43.
The spelling of 80184920731 in words is "eighty billion, one hundred eighty-four million, nine hundred twenty thousand, seven hundred thirty-one".
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