Base | Representation |
---|---|
bin | 100101011111001111… |
… | …0000010110111110010 |
3 | 21200210112021121202210 |
4 | 1022332132002313302 |
5 | 2304333232132300 |
6 | 100552232352550 |
7 | 5546662566450 |
oct | 1127636026762 |
9 | 250715247683 |
10 | 80504958450 |
11 | 31161a4a914 |
12 | 13728b45756 |
13 | 778c934ab7 |
14 | 3c79c619d0 |
15 | 21629b6050 |
hex | 12be782df2 |
80504958450 has 192 divisors, whose sum is σ = 239282184960. Its totient is φ = 17522749440.
The previous prime is 80504958449. The next prime is 80504958451. The reversal of 80504958450 is 5485940508.
It is an interprime number because it is at equal distance from previous prime (80504958449) and next prime (80504958451).
It is a self number, because there is not a number n which added to its sum of digits gives 80504958450.
It is not an unprimeable number, because it can be changed into a prime (80504958451) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2204742 + ... + 2240958.
It is an arithmetic number, because the mean of its divisors is an integer number (1246261380).
Almost surely, 280504958450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80504958450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119641092480).
80504958450 is an abundant number, since it is smaller than the sum of its proper divisors (158777226510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80504958450 is a wasteful number, since it uses less digits than its factorization.
80504958450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36341 (or 36336 counting only the distinct ones).
The product of its (nonzero) digits is 1152000, while the sum is 48.
The spelling of 80504958450 in words is "eighty billion, five hundred four million, nine hundred fifty-eight thousand, four hundred fifty".
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