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53103205423 = 113469939871
BaseRepresentation
bin110001011101001100…
…101001110000101111
312002001212001100012001
4301131030221300233
51332223410033143
640221213553131
73556642540612
oct613514516057
9162055040161
1053103205423
1120580414234
12a3601a57a7
13501394aa58
1427da920179
1515ac02314d
hexc5d329c2f

53103205423 has 4 divisors (see below), whose sum is σ = 53573145408. Its totient is φ = 52633265440.

The previous prime is 53103205417. The next prime is 53103205427. The reversal of 53103205423 is 32450230135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53103205423 - 29 = 53103204911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53103205391 and 53103205400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53103205427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234969823 + ... + 234970048.

It is an arithmetic number, because the mean of its divisors is an integer number (13393286352).

Almost surely, 253103205423 is an apocalyptic number.

53103205423 is a deficient number, since it is larger than the sum of its proper divisors (469939985).

53103205423 is a wasteful number, since it uses less digits than its factorization.

53103205423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469939984.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 53103205423 its reverse (32450230135), we get a palindrome (85553435558).

The spelling of 53103205423 in words is "fifty-three billion, one hundred three million, two hundred five thousand, four hundred twenty-three".

Divisors: 1 113 469939871 53103205423