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13320123132120 = 23357167183151859
BaseRepresentation
bin1100000111010101010100…
…1101010010100011011000
31202011101120021122120210020
43001311111031102203120
53221214103010211440
644155102522150440
72543230032335520
oct301652515224330
952141507576706
1013320123132120
11427603a286aa2
1215b1642352420
1375810b84439c
143409a9942680
151817487d53d0
hexc1d553528d8

13320123132120 has 256 divisors, whose sum is σ = 45968438476800. Its totient is φ = 3024657262080.

The previous prime is 13320123132103. The next prime is 13320123132131. The reversal of 13320123132120 is 2123132102331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256826751 + ... + 256878609.

It is an arithmetic number, because the mean of its divisors is an integer number (179564212800).

Almost surely, 213320123132120 is an apocalyptic number.

13320123132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320123132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22984219238400).

13320123132120 is an abundant number, since it is smaller than the sum of its proper divisors (32648315344680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13320123132120 is a wasteful number, since it uses less digits than its factorization.

13320123132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53878 (or 53874 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13320123132120 its reverse (2123132102331), we get a palindrome (15443255234451).

The spelling of 13320123132120 in words is "thirteen trillion, three hundred twenty billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred twenty".