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20444031103 = 194192568023
BaseRepresentation
bin10011000010100011…
…110010100001111111
31221202210001101102011
4103002203302201333
5313332132443403
613220350312051
71322423253136
oct230243624177
957683041364
1020444031103
118741139181
123b667b8627
131c0a694832
14dbd26c91d
157e9c2aa6d
hex4c28f287f

20444031103 has 8 divisors (see below), whose sum is σ = 21571401600. Its totient is φ = 19321797528.

The previous prime is 20444031067. The next prime is 20444031151. The reversal of 20444031103 is 30113044402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20444031103 - 217 = 20443900031 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 (20444031193) 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, 1276051 + ... + 1291972.

It is an arithmetic number, because the mean of its divisors is an integer number (2696425200).

Almost surely, 220444031103 is an apocalyptic number.

20444031103 is a deficient number, since it is larger than the sum of its proper divisors (1127370497).

20444031103 is a wasteful number, since it uses less digits than its factorization.

20444031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568461.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20444031103 its reverse (30113044402), we get a palindrome (50557075505).

The spelling of 20444031103 in words is "twenty billion, four hundred forty-four million, thirty-one thousand, one hundred three".

Divisors: 1 19 419 7961 2568023 48792437 1076001637 20444031103