Search a number
-
+
2133243250 = 2538532973
BaseRepresentation
bin111111100100110…
…1011010101110010
312111200001222121021
41333021223111302
513332102241000
6551402450054
7103602161035
oct17711532562
95450058537
102133243250
119a5184256
124b650392a
1327cc5a118
1416346101c
15c743211a
hex7f26b572

2133243250 has 16 divisors (see below), whose sum is σ = 3993431832. Its totient is φ = 853297200.

The previous prime is 2133243239. The next prime is 2133243263. The reversal of 2133243250 is 523423312.

It can be written as a sum of positive squares in 4 ways, for example, as 299947761 + 1833295489 = 17319^2 + 42817^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4266237 + ... + 4266736.

Almost surely, 22133243250 is an apocalyptic number.

2133243250 is a deficient number, since it is larger than the sum of its proper divisors (1860188582).

2133243250 is an equidigital number, since it uses as much as digits as its factorization.

2133243250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532990 (or 8532980 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2133243250 is about 46187.0463441862. The cubic root of 2133243250 is about 1287.3010595312.

Adding to 2133243250 its reverse (523423312), we get a palindrome (2656666562).

The spelling of 2133243250 in words is "two billion, one hundred thirty-three million, two hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 8532973 17065946 42664865 85329730 213324325 426648650 1066621625 2133243250