| Base | Representation |
|---|---|
| bin | 1100001101010101000001… |
| … | …0111110111010011111000 |
| 3 | 1202112020102101202020110121 |
| 4 | 3003111100113313103320 |
| 5 | 3224411023013430034 |
| 6 | 44314255145023024 |
| 7 | 2553534312630400 |
| oct | 303252027672370 |
| 9 | 52466371666417 |
| 10 | 13423121233144 |
| 11 | 4305793aa5837 |
| 12 | 16095a8184a74 |
| 13 | 764a44521bac |
| 14 | 34597ac33800 |
| 15 | 184275d3b1b4 |
| hex | c35505f74f8 |
13423121233144 has 96 divisors (see below), whose sum is σ = 29717757740160. Its totient is φ = 5666272920000.
The previous prime is 13423121233141. The next prime is 13423121233147. The reversal of 13423121233144 is 44133212132431.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13423121233141) and next prime (13423121233147).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13423121233141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293372269 + ... + 293418019.
It is an arithmetic number, because the mean of its divisors is an integer number (309559976460).
Almost surely, 213423121233144 is an apocalyptic number.
13423121233144 is a gapful number since it is divisible by the number (14) 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 13423121233144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14858878870080).
13423121233144 is an abundant number, since it is smaller than the sum of its proper divisors (16294636507016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13423121233144 is a wasteful number, since it uses less digits than its factorization.
13423121233144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57009 (or 56998 counting only the distinct ones).
The product of its digits is 41472, while the sum is 34.
Adding to 13423121233144 its reverse (44133212132431), we get a palindrome (57556333365575).
The spelling of 13423121233144 in words is "thirteen trillion, four hundred twenty-three billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred forty-four".
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