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2043211145 = 5541775437
BaseRepresentation
bin111100111001000…
…1110110110001001
312021101122212202212
41321302032312021
513141030224040
6534425034505
7101430002543
oct17162166611
95241585685
102043211145
11959380858
12490325a35
132673c66a1
14155506693
15be59ad65
hex79c8ed89

2043211145 has 8 divisors (see below), whose sum is σ = 2452338504. Its totient is φ = 1634245504.

The previous prime is 2043211139. The next prime is 2043211169. The reversal of 2043211145 is 5411123402.

It can be written as a sum of positive squares in 4 ways, for example, as 305655289 + 1737555856 = 17483^2 + 41684^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2043211145 - 26 = 2043211081 is a prime.

It is a super-2 number, since 2×20432111452 = 8349423566104422050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043211145.

It is an unprimeable number.

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, 10634 + ... + 64803.

It is an arithmetic number, because the mean of its divisors is an integer number (306542313).

Almost surely, 22043211145 is an apocalyptic number.

It is an amenable number.

2043211145 is a deficient number, since it is larger than the sum of its proper divisors (409127359).

2043211145 is an equidigital number, since it uses as much as digits as its factorization.

2043211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80859.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2043211145 is about 45201.8931572561. The cubic root of 2043211145 is about 1268.9302470021.

Adding to 2043211145 its reverse (5411123402), we get a palindrome (7454334547).

The spelling of 2043211145 in words is "two billion, forty-three million, two hundred eleven thousand, one hundred forty-five".

Divisors: 1 5 5417 27085 75437 377185 408642229 2043211145