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2043041213 = 2970449697
BaseRepresentation
bin111100111000110…
…0101010110111101
312021101100020200002
41321301211112331
513141004304323
6534421244045
7101425364243
oct17161452675
95241306602
102043041213
11959275114
12490263625
13267367235
141554a0793
15be565828
hex79c655bd

2043041213 has 4 divisors (see below), whose sum is σ = 2113490940. Its totient is φ = 1972591488.

The previous prime is 2043041197. The next prime is 2043041227. The reversal of 2043041213 is 3121403402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1343808964 + 699232249 = 36658^2 + 26443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043041213 - 24 = 2043041197 is a prime.

It is a super-2 number, since 2×20430412132 = 8348034796033022738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043041293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35224820 + ... + 35224877.

It is an arithmetic number, because the mean of its divisors is an integer number (528372735).

Almost surely, 22043041213 is an apocalyptic number.

It is an amenable number.

2043041213 is a deficient number, since it is larger than the sum of its proper divisors (70449727).

2043041213 is an equidigital number, since it uses as much as digits as its factorization.

2043041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70449726.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2043041213 is about 45200.0134181396. The cubic root of 2043041213 is about 1268.8950674379.

Adding to 2043041213 its reverse (3121403402), we get a palindrome (5164444615).

The spelling of 2043041213 in words is "two billion, forty-three million, forty-one thousand, two hundred thirteen".

Divisors: 1 29 70449697 2043041213