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13111223112323 = 71873031873189
BaseRepresentation
bin1011111011001011000111…
…0010111101001010000011
31201102102100200102001022222
42332302301302331022003
53204303241104043243
643515113541521255
72522153221431110
oct276626162751203
951372320361288
1013111223112323
1141a5490702236
12157906211322b
137414c96ac70b
1433482d833907
1517b0bdd33168
hexbecb1cbd283

13111223112323 has 4 divisors (see below), whose sum is σ = 14984254985520. Its totient is φ = 11238191239128.

The previous prime is 13111223112311. The next prime is 13111223112343. The reversal of 13111223112323 is 32321132211131.

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

It is not a de Polignac number, because 13111223112323 - 26 = 13111223112259 is a prime.

It is a super-2 number, since 2×131112231123232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111223112292 and 13111223112301.

It is not an unprimeable number, because it can be changed into a prime (13111223112343) 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, 936515936588 + ... + 936515936601.

It is an arithmetic number, because the mean of its divisors is an integer number (3746063746380).

Almost surely, 213111223112323 is an apocalyptic number.

13111223112323 is a deficient number, since it is larger than the sum of its proper divisors (1873031873197).

13111223112323 is an equidigital number, since it uses as much as digits as its factorization.

13111223112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873031873196.

The product of its digits is 1296, while the sum is 26.

Adding to 13111223112323 its reverse (32321132211131), we get a palindrome (45432355323454).

The spelling of 13111223112323 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-three million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 1873031873189 13111223112323