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13330121323 = 36973605659
BaseRepresentation
bin11000110101000100…
…11000001001101011
31021101222222022210011
430122202120021223
5204300002340243
610042422432351
7651222106321
oct143242301153
937358868704
1013330121323
1157205624a2
1227002926b7
1313458b7a6c
1490653dd11
1553041089d
hex31a89826b

13330121323 has 4 divisors (see below), whose sum is σ = 13333730680. Its totient is φ = 13326511968.

The previous prime is 13330121317. The next prime is 13330121333. The reversal of 13330121323 is 32312103331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32312103331 = 53609662327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13330121323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13330121294 and 13330121303.

It is not an unprimeable number, because it can be changed into a prime (13330121333) 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, 1799133 + ... + 1806526.

It is an arithmetic number, because the mean of its divisors is an integer number (3333432670).

Almost surely, 213330121323 is an apocalyptic number.

13330121323 is a deficient number, since it is larger than the sum of its proper divisors (3609357).

13330121323 is an equidigital number, since it uses as much as digits as its factorization.

13330121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609356.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13330121323 its reverse (32312103331), we get a palindrome (45642224654).

The spelling of 13330121323 in words is "thirteen billion, three hundred thirty million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 3697 3605659 13330121323