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80250260480 = 21051319233189
BaseRepresentation
bin100101010111101001…
…0011100110000000000
321200010210000121211122
41022233102130300000
52303323031313410
6100511053331412
75540450646665
oct1125722346000
9250123017748
1080250260480
11310411a8525
1213677796b68
13774bc38c40
143c540c1a6c
15214a454e55
hex12af49cc00

80250260480 has 704 divisors, whose sum is σ = 237700915200. Its totient is φ = 25692733440.

The previous prime is 80250260479. The next prime is 80250260491. The reversal of 80250260480 is 8406205208.

It is a self number, because there is not a number n which added to its sum of digits gives 80250260480.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 901688276 + ... + 901688364.

Almost surely, 280250260480 is an apocalyptic number.

80250260480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80250260480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118850457600).

80250260480 is an abundant number, since it is smaller than the sum of its proper divisors (157450654720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80250260480 is a wasteful number, since it uses less digits than its factorization.

80250260480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 80250260480 its reverse (8406205208), we get a palindrome (88656465688).

The spelling of 80250260480 in words is "eighty billion, two hundred fifty million, two hundred sixty thousand, four hundred eighty".