Base | Representation |
---|---|
bin | 100101011100010000… |
… | …1010110100011110100 |
3 | 21200112120111110002102 |
4 | 1022320201112203310 |
5 | 2304132210142403 |
6 | 100534305401232 |
7 | 5544341413406 |
oct | 1127041264364 |
9 | 250476443072 |
10 | 80405162228 |
11 | 311106884a6 |
12 | 136bb639218 |
13 | 7775062c91 |
14 | 3c6a8c4b76 |
15 | 2158d51b88 |
hex | 12b88568f4 |
80405162228 has 12 divisors (see below), whose sum is σ = 140790239940. Its totient is φ = 40179379392.
The previous prime is 80405162219. The next prime is 80405162231. The reversal of 80405162228 is 82226150408.
It can be written as a sum of positive squares in 2 ways, for example, as 41784265744 + 38620896484 = 204412^2 + 196522^2 .
It is a super-2 number, since 2×804051622282 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80405162191 and 80405162200.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5792633 + ... + 5806496.
It is an arithmetic number, because the mean of its divisors is an integer number (11732519995).
Almost surely, 280405162228 is an apocalyptic number.
It is an amenable number.
80405162228 is a deficient number, since it is larger than the sum of its proper divisors (60385077712).
80405162228 is a wasteful number, since it uses less digits than its factorization.
80405162228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11600866 (or 11600864 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 38.
The spelling of 80405162228 in words is "eighty billion, four hundred five million, one hundred sixty-two thousand, two hundred twenty-eight".
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