Search a number
-
+
47494119168 = 2832531312969
BaseRepresentation
bin101100001110110111…
…101011111100000000
311112120221120020100200
4230032313223330000
51234231443303133
633452443445200
73300643231506
oct541667537400
9145527506320
1047494119168
1119162212761
129255826800
13462b8618c2
1424279cc676
15137e8a6913
hexb0edebf00

47494119168 has 216 divisors, whose sum is σ = 140633372880. Its totient is φ = 15408906240.

The previous prime is 47494119161. The next prime is 47494119181. The reversal of 47494119168 is 86191149474.

It is a happy number.

47494119168 is a `hidden beast` number, since 4 + 7 + 494 + 1 + 1 + 91 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47494119161) 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 23 ways as a sum of consecutive naturals, for example, 15995188 + ... + 15998156.

It is an arithmetic number, because the mean of its divisors is an integer number (651080430).

Almost surely, 247494119168 is an apocalyptic number.

47494119168 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 47494119168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70316686440).

47494119168 is an abundant number, since it is smaller than the sum of its proper divisors (93139253712).

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

47494119168 is a wasteful number, since it uses less digits than its factorization.

47494119168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 3158 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 47494119168 in words is "forty-seven billion, four hundred ninety-four million, one hundred nineteen thousand, one hundred sixty-eight".