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23434334545 = 543310824173
BaseRepresentation
bin10101110100110010…
…111001000101010001
32020111011211112120111
4111310302321011101
5340443142201140
614433211041321
71456503362026
oct256462710521
966434745514
1023434334545
119a36086436
124660140241
13229606265b
1411c446d54d
159225067ea
hex574cb9151

23434334545 has 8 divisors (see below), whose sum is σ = 28186149096. Its totient is φ = 18704169216.

The previous prime is 23434334543. The next prime is 23434334557. The reversal of 23434334545 is 54543343432.

It can be written as a sum of positive squares in 4 ways, for example, as 575616064 + 22858718481 = 23992^2 + 151191^2 .

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 23434334545 - 21 = 23434334543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23434334498 and 23434334507.

It is not an unprimeable number, because it can be changed into a prime (23434334543) by changing a digit.

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, 5409922 + ... + 5414251.

It is an arithmetic number, because the mean of its divisors is an integer number (3523268637).

Almost surely, 223434334545 is an apocalyptic number.

It is an amenable number.

23434334545 is a deficient number, since it is larger than the sum of its proper divisors (4751814551).

23434334545 is a wasteful number, since it uses less digits than its factorization.

23434334545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824611.

The product of its digits is 1036800, while the sum is 40.

Adding to 23434334545 its reverse (54543343432), we get a palindrome (77977677977).

The spelling of 23434334545 in words is "twenty-three billion, four hundred thirty-four million, three hundred thirty-four thousand, five hundred forty-five".

Divisors: 1 5 433 2165 10824173 54120865 4686866909 23434334545