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20441042311 = 374312847921
BaseRepresentation
bin10011000010011000…
…011000110110000111
31221202120102112120011
4103002120120312013
5313330401323221
613220202251051
71322355664354
oct230230306607
957676375504
1020441042311
11873a4876a8
123b657b6a87
131c09b89311
14dbcad162b
157e983a1e1
hex4c2618d87

20441042311 has 8 divisors (see below), whose sum is σ = 21481725584. Its totient is φ = 19426055040.

The previous prime is 20441042273. The next prime is 20441042381. The reversal of 20441042311 is 11324014402.

It is a happy number.

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 20441042311 - 27 = 20441042183 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 (20441042381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422370 + ... + 6425551.

It is an arithmetic number, because the mean of its divisors is an integer number (2685215698).

Almost surely, 220441042311 is an apocalyptic number.

20441042311 is a deficient number, since it is larger than the sum of its proper divisors (1040683273).

20441042311 is a wasteful number, since it uses less digits than its factorization.

20441042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12848001.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20441042311 its reverse (11324014402), we get a palindrome (31765056713).

The spelling of 20441042311 in words is "twenty billion, four hundred forty-one million, forty-two thousand, three hundred eleven".

Divisors: 1 37 43 1591 12847921 475373077 552460603 20441042311