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30042203405 = 5109193285613
BaseRepresentation
bin11011111110101001…
…111010010100001101
32212112200201001120012
4123332221322110031
5443011301002110
621445020403005
72112321341564
oct337651722415
985480631505
1030042203405
111181704a085
1259a50a6465
132aaa050826
14164dcb2bdb
15bac6b3905
hex6fea7a50d

30042203405 has 16 divisors (see below), whose sum is σ = 36570016560. Its totient is φ = 23689801728.

The previous prime is 30042203371. The next prime is 30042203417. The reversal of 30042203405 is 50430224003.

It can be written as a sum of positive squares in 8 ways, for example, as 4238921449 + 25803281956 = 65107^2 + 160634^2 .

It is a cyclic number.

It is not a de Polignac number, because 30042203405 - 222 = 30038009101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37622 + ... + 247991.

It is an arithmetic number, because the mean of its divisors is an integer number (2285626035).

Almost surely, 230042203405 is an apocalyptic number.

It is an amenable number.

30042203405 is a deficient number, since it is larger than the sum of its proper divisors (6527813155).

30042203405 is a wasteful number, since it uses less digits than its factorization.

30042203405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285920.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 30042203405 its reverse (50430224003), we get a palindrome (80472427408).

The spelling of 30042203405 in words is "thirty billion, forty-two million, two hundred three thousand, four hundred five".

Divisors: 1 5 109 193 545 965 21037 105185 285613 1428065 31131817 55123309 155659085 275616545 6008440681 30042203405