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204431021112301 = 759792690625319
BaseRepresentation
bin101110011110110111001110…
…011001001111101111101101
3222210211102012100120220121121
4232132313032121033233231
5203243344212401043201
62002442151541500541
761026440164322404
oct5636671631175755
9883742170526547
10204431021112301
115a157788a04105
121ab18127411751
138a0b9bb4aa6a9
14386a72b01663b
151897ac001d9a1
hexb9edce64fbed

204431021112301 has 4 divisors (see below), whose sum is σ = 204433711813600. Its totient is φ = 204428330411004.

The previous prime is 204431021112293. The next prime is 204431021112337. The reversal of 204431021112301 is 103211120134402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204431021112301 - 23 = 204431021112293 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 (204431021112361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345236681 + ... + 1345388638.

It is an arithmetic number, because the mean of its divisors is an integer number (51108427953400).

Almost surely, 2204431021112301 is an apocalyptic number.

It is an amenable number.

204431021112301 is a deficient number, since it is larger than the sum of its proper divisors (2690701299).

204431021112301 is an equidigital number, since it uses as much as digits as its factorization.

204431021112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690701298.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 204431021112301 its reverse (103211120134402), we get a palindrome (307642141246703).

The spelling of 204431021112301 in words is "two hundred four trillion, four hundred thirty-one billion, twenty-one million, one hundred twelve thousand, three hundred one".

Divisors: 1 75979 2690625319 204431021112301