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2012243443 = 7509564761
BaseRepresentation
bin111011111110000…
…0110010111110011
312012020101120001221
41313330012113303
513110113242233
6531401205511
7100602533650
oct16774062763
95166346057
102012243443
1194294a311
12481a90897
13260b730c2
14151364c27
15bb9d042d
hex77f065f3

2012243443 has 8 divisors (see below), whose sum is σ = 2304228960. Its totient is φ = 1721388480.

The previous prime is 2012243419. The next prime is 2012243459. The reversal of 2012243443 is 3443422102.

It is a happy number.

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

It is not a de Polignac number, because 2012243443 - 25 = 2012243411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012243413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278818 + ... + 285943.

It is an arithmetic number, because the mean of its divisors is an integer number (288028620).

Almost surely, 22012243443 is an apocalyptic number.

2012243443 is a deficient number, since it is larger than the sum of its proper divisors (291985517).

2012243443 is an equidigital number, since it uses as much as digits as its factorization.

2012243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565277.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2012243443 is about 44858.0365486498. The cubic root of 2012243443 is about 1262.4867833535.

Adding to 2012243443 its reverse (3443422102), we get a palindrome (5455665545).

The spelling of 2012243443 in words is "two billion, twelve million, two hundred forty-three thousand, four hundred forty-three".

Divisors: 1 7 509 3563 564761 3953327 287463349 2012243443