Search a number
-
+
48221639808 = 27331139151193
BaseRepresentation
bin101100111010001110…
…111101010010000000
311121110122112010001120
4230322032331102000
51242224214433213
634052553032240
73324656114106
oct547216752200
9147418463046
1048221639808
11194a5949791
1294193b5680
1347164b85a4
14249648bc76
1513c36b3423
hexb3a3bd480

48221639808 has 256 divisors, whose sum is σ = 134748364800. Its totient is φ = 15261696000.

The previous prime is 48221639797. The next prime is 48221639891. The reversal of 48221639808 is 80893612284.

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 31 ways as a sum of consecutive naturals, for example, 249852960 + ... + 249853152.

It is an arithmetic number, because the mean of its divisors is an integer number (526360800).

Almost surely, 248221639808 is an apocalyptic number.

48221639808 is a gapful number since it is divisible by the number (48) 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 48221639808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67374182400).

48221639808 is an abundant number, since it is smaller than the sum of its proper divisors (86526724992).

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

48221639808 is a wasteful number, since it uses less digits than its factorization.

48221639808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 48221639808 in words is "forty-eight billion, two hundred twenty-one million, six hundred thirty-nine thousand, eight hundred eight".