| Base | Representation |
|---|---|
| bin | 1011010010100010110111… |
| … | …0000101101111110111100 |
| 3 | 1121221200200212111020012010 |
| 4 | 2310220231300231332330 |
| 5 | 3111334240121401140 |
| 6 | 42222320034011220 |
| 7 | 2420553146353434 |
| oct | 264505560557674 |
| 9 | 47850625436163 |
| 10 | 12413223231420 |
| 11 | 3a564669a1730 |
| 12 | 1485923416b10 |
| 13 | 6c073c72c0cb |
| 14 | 30cb360192c4 |
| 15 | 167d6a663880 |
| hex | b4a2dc2dfbc |
12413223231420 has 192 divisors, whose sum is σ = 38663255135232. Its totient is φ = 2950488576000.
The previous prime is 12413223231377. The next prime is 12413223231421. The reversal of 12413223231420 is 2413232231421.
It is a happy number.
It is a super-2 number, since 2×124132232314202 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12413223231421) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7749892 + ... + 9213428.
It is an arithmetic number, because the mean of its divisors is an integer number (201371120496).
Almost surely, 212413223231420 is an apocalyptic number.
12413223231420 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 12413223231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19331627567616).
12413223231420 is an abundant number, since it is smaller than the sum of its proper divisors (26250031903812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12413223231420 is a wasteful number, since it uses less digits than its factorization.
12413223231420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1463812 (or 1463810 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 12413223231420 its reverse (2413232231421), we get a palindrome (14826455462841).
Subtracting from 12413223231420 its reverse (2413232231421), we obtain a palindrome (9999990999999).
The spelling of 12413223231420 in words is "twelve trillion, four hundred thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, four hundred twenty".
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