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243030042013 = 11103214501361
BaseRepresentation
bin1110001001010110111…
…0000010010110011101
3212020022011220022020011
43202111232002112131
512440211142321023
6303351345123221
723362340162353
oct3422556022635
9766264808204
10243030042013
11940831396a0
123b126329511
1319bc10740b5
14ba96c757d3
1564c5e8650d
hex3895b8259d

243030042013 has 8 divisors (see below), whose sum is σ = 267697699776. Its totient is φ = 218791387200.

The previous prime is 243030041993. The next prime is 243030042029. The reversal of 243030042013 is 310240030342.

It is a happy number.

243030042013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-243030042013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243030042713) 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 7 ways as a sum of consecutive naturals, for example, 107249548 + ... + 107251813.

It is an arithmetic number, because the mean of its divisors is an integer number (33462212472).

Almost surely, 2243030042013 is an apocalyptic number.

It is an amenable number.

243030042013 is a deficient number, since it is larger than the sum of its proper divisors (24667657763).

243030042013 is a wasteful number, since it uses less digits than its factorization.

243030042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214501475.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 243030042013 its reverse (310240030342), we get a palindrome (553270072355).

The spelling of 243030042013 in words is "two hundred forty-three billion, thirty million, forty-two thousand, thirteen".

Divisors: 1 11 103 1133 214501361 2359514971 22093640183 243030042013