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20201012103 = 342431587007
BaseRepresentation
bin10010110100000100…
…101111101110000111
31221010211202202000110
4102310010233232013
5312332424341403
613140305444103
71313412525006
oct226404575607
957124682013
1020201012103
118626a43428
123ab9340633
131b9c2277cc
14d98c8cc3d
157d3725103
hex4b412fb87

20201012103 has 8 divisors (see below), whose sum is σ = 26941047808. Its totient is φ = 13464158904.

The previous prime is 20201012101. The next prime is 20201012123. The reversal of 20201012103 is 30121010202.

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

It is not a de Polignac number, because 20201012103 - 21 = 20201012101 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 (20201012101) 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, 780775 + ... + 806232.

It is an arithmetic number, because the mean of its divisors is an integer number (3367630976).

Almost surely, 220201012103 is an apocalyptic number.

20201012103 is a deficient number, since it is larger than the sum of its proper divisors (6740035705).

20201012103 is a wasteful number, since it uses less digits than its factorization.

20201012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591253.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20201012103 its reverse (30121010202), we get a palindrome (50322022305).

The spelling of 20201012103 in words is "twenty billion, two hundred one million, twelve thousand, one hundred three".

Divisors: 1 3 4243 12729 1587007 4761021 6733670701 20201012103