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20041274695 = 513308327303
BaseRepresentation
bin10010101010100011…
…011001010101000111
31220201201012020111011
4102222203121111013
5312021031242240
613112402023051
71306433011201
oct225243312507
956651166434
1020041274695
118554860342
123a73947a87
131b750c9730
14d8198b771
157c46c06ea
hex4aa8d9547

20041274695 has 8 divisors (see below), whose sum is σ = 25899493536. Its totient is φ = 14799710496.

The previous prime is 20041274681. The next prime is 20041274699. The reversal of 20041274695 is 59647214002.

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 20041274695 - 223 = 20032886087 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 (20041274699) 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, 154163587 + ... + 154163716.

It is an arithmetic number, because the mean of its divisors is an integer number (3237436692).

Almost surely, 220041274695 is an apocalyptic number.

20041274695 is a deficient number, since it is larger than the sum of its proper divisors (5858218841).

20041274695 is a wasteful number, since it uses less digits than its factorization.

20041274695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308327321.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 20041274695 its reverse (59647214002), we get a palindrome (79688488697).

The spelling of 20041274695 in words is "twenty billion, forty-one million, two hundred seventy-four thousand, six hundred ninety-five".

Divisors: 1 5 13 65 308327303 1541636515 4008254939 20041274695