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13210231103312 = 245931392309349
BaseRepresentation
bin1100000000111011111100…
…1000011101111101010000
31201202212220201102010001012
43000032333020131331100
53212414023130301222
644032410230430052
72532256561450055
oct300167710357520
951685821363035
1013210231103312
114233478082281
121594293802328
1374a94781c279
14339542c2702c
1517d965e191e2
hexc03bf21df50

13210231103312 has 20 divisors (see below), whose sum is σ = 25637984370900. Its totient is φ = 6593977072128.

The previous prime is 13210231103291. The next prime is 13210231103317. The reversal of 13210231103312 is 21330113201231.

13210231103312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2983896940816 + 10226334162496 = 1727396^2 + 3197864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210231103317) 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, 696145187 + ... + 696164162.

It is an arithmetic number, because the mean of its divisors is an integer number (1281899218545).

Almost surely, 213210231103312 is an apocalyptic number.

It is an amenable number.

13210231103312 is a deficient number, since it is larger than the sum of its proper divisors (12427753267588).

13210231103312 is a wasteful number, since it uses less digits than its factorization.

13210231103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392309950 (or 1392309944 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13210231103312 its reverse (21330113201231), we get a palindrome (34540344304543).

The spelling of 13210231103312 in words is "thirteen trillion, two hundred ten billion, two hundred thirty-one million, one hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 593 1186 2372 4744 9488 1392309349 2784618698 5569237396 11138474792 22276949584 825639443957 1651278887914 3302557775828 6605115551656 13210231103312