Search a number
-
+
16647303140 = 2251364028089
BaseRepresentation
bin11111000000100000…
…11010111111100100
31120222011211121202222
433200100122333210
5233043202200030
611351521251512
71126351512326
oct174020327744
946864747688
1016647303140
117072a72276
123287193b98
131753c04840
14b3cd0d616
156767593e5
hex3e041afe4

16647303140 has 24 divisors (see below), whose sum is σ = 37648516920. Its totient is φ = 6146696448.

The previous prime is 16647303119. The next prime is 16647303143. The reversal of 16647303140 is 4130374661.

16647303140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3411260836 + 13236042304 = 58406^2 + 115048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16647303140.

It is not an unprimeable number, because it can be changed into a prime (16647303143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32013785 + ... + 32014304.

It is an arithmetic number, because the mean of its divisors is an integer number (1568688205).

Almost surely, 216647303140 is an apocalyptic number.

16647303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16647303140 is an abundant number, since it is smaller than the sum of its proper divisors (21001213780).

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

16647303140 is a wasteful number, since it uses less digits than its factorization.

16647303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64028111 (or 64028109 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 16647303140 in words is "sixteen billion, six hundred forty-seven million, three hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 64028089 128056178 256112356 320140445 640280890 832365157 1280561780 1664730314 3329460628 4161825785 8323651570 16647303140