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2143253233 = 11892189227
BaseRepresentation
bin111111110111111…
…0111001011110001
312112100220112201101
41333233313023301
513342133100413
6552401204401
7104053231462
oct17757671361
95470815641
102143253233
119aa8a0970
124b9930701
132820533a4
14164908d69
15c825cedd
hex7fbf72f1

2143253233 has 8 divisors (see below), whose sum is σ = 2364366240. Its totient is φ = 1926518880.

The previous prime is 2143253221. The next prime is 2143253261. The reversal of 2143253233 is 3323523412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2143253233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143253213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093635 + ... + 1095592.

It is an arithmetic number, because the mean of its divisors is an integer number (295545780).

Almost surely, 22143253233 is an apocalyptic number.

It is an amenable number.

2143253233 is a deficient number, since it is larger than the sum of its proper divisors (221113007).

2143253233 is a wasteful number, since it uses less digits than its factorization.

2143253233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189327.

The product of its digits is 12960, while the sum is 28.

The square root of 2143253233 is about 46295.2830534602. The cubic root of 2143253233 is about 1289.3114192639.

Adding to 2143253233 its reverse (3323523412), we get a palindrome (5466776645).

The spelling of 2143253233 in words is "two billion, one hundred forty-three million, two hundred fifty-three thousand, two hundred thirty-three".

Divisors: 1 11 89 979 2189227 24081497 194841203 2143253233