Search a number
-
+
16795250208 = 25371121817
BaseRepresentation
bin11111010010001001…
…10010111000100000
31121100111020010000000
433221010302320200
5233344041001313
611414324300000
71133126162022
oct175104627040
947314203000
1016795250208
117139532080
123308841600
131778765199
14b54822012
15684730673
hex3e9132e20

16795250208 has 192 divisors, whose sum is σ = 54101658240. Its totient is φ = 5089236480.

The previous prime is 16795250201. The next prime is 16795250243. The reversal of 16795250208 is 80205259761.

It is not an unprimeable number, because it can be changed into a prime (16795250201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758916 + ... + 780732.

It is an arithmetic number, because the mean of its divisors is an integer number (281779470).

Almost surely, 216795250208 is an apocalyptic number.

16795250208 is a gapful number since it is divisible by the number (18) 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 16795250208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27050829120).

16795250208 is an abundant number, since it is smaller than the sum of its proper divisors (37306408032).

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

16795250208 is an equidigital number, since it uses as much as digits as its factorization.

16795250208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21859 (or 21833 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 16795250208 in words is "sixteen billion, seven hundred ninety-five million, two hundred fifty thousand, two hundred eight".