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13201302423 = 34400434141
BaseRepresentation
bin11000100101101101…
…11110001110010111
31021002000120122110210
430102312332032113
5204014013134143
610021541420503
7645066135111
oct142266761627
937060518423
1013201302423
1156648779a1
12268510a733
131324cc3a6a
148d33aa3b1
15523e67033
hex312dbe397

13201302423 has 4 divisors (see below), whose sum is σ = 17601736568. Its totient is φ = 8800868280.

The previous prime is 13201302337. The next prime is 13201302437. The reversal of 13201302423 is 32420310231.

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

It is not a de Polignac number, because 13201302423 - 226 = 13134193559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13201302423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201302493) 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, 2200217068 + ... + 2200217073.

It is an arithmetic number, because the mean of its divisors is an integer number (4400434142).

Almost surely, 213201302423 is an apocalyptic number.

13201302423 is a deficient number, since it is larger than the sum of its proper divisors (4400434145).

13201302423 is an equidigital number, since it uses as much as digits as its factorization.

13201302423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400434144.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13201302423 its reverse (32420310231), we get a palindrome (45621612654).

The spelling of 13201302423 in words is "thirteen billion, two hundred one million, three hundred two thousand, four hundred twenty-three".

Divisors: 1 3 4400434141 13201302423