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20041252011 = 3311191353293
BaseRepresentation
bin10010101010100011…
…010011110010101011
31220201201011002101000
4102222203103302223
5312021030031021
613112401330043
71306432555104
oct225243236253
956651132330
1020041252011
1185548452a0
123a73936923
131b750bc301
14d819833ab
157c46b8b26
hex4aa8d3cab

20041252011 has 32 divisors (see below), whose sum is σ = 32559575040. Its totient is φ = 12082586400.

The previous prime is 20041251949. The next prime is 20041252019. The reversal of 20041252011 is 11025214002.

20041252011 is a `hidden beast` number, since 200 + 412 + 52 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 20041252011 - 218 = 20040989867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20041252019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119920 + ... + 233373.

It is an arithmetic number, because the mean of its divisors is an integer number (1017486720).

Almost surely, 220041252011 is an apocalyptic number.

20041252011 is a deficient number, since it is larger than the sum of its proper divisors (12518323029).

20041252011 is a wasteful number, since it uses less digits than its factorization.

20041252011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353504 (or 353498 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 20041252011 its reverse (11025214002), we get a palindrome (31066466013).

The spelling of 20041252011 in words is "twenty billion, forty-one million, two hundred fifty-two thousand, eleven".

Divisors: 1 3 9 11 27 33 99 191 297 573 1719 2101 5157 6303 18909 56727 353293 1059879 3179637 3886223 9538911 11658669 34976007 67478963 104928021 202436889 607310667 742268593 1821932001 2226805779 6680417337 20041252011