Base | Representation |
---|---|
bin | 1010111100010100100000… |
… | …0111110011001101100100 |
3 | 1120121012011212221012001021 |
4 | 2233011020013303031210 |
5 | 3034110313312303140 |
6 | 41331053252140524 |
7 | 2351145432345211 |
oct | 257051007631544 |
9 | 46535155835037 |
10 | 12031413400420 |
11 | 391954822a557 |
12 | 1423928007744 |
13 | 69373284599b |
14 | 2d8475a26b08 |
15 | 15ce70b89b4a |
hex | af1481f3364 |
12031413400420 has 48 divisors (see below), whose sum is σ = 25300442539008. Its totient is φ = 4806001347840.
The previous prime is 12031413400387. The next prime is 12031413400441. The reversal of 12031413400420 is 2400431413021.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78351357 + ... + 78504763.
It is an arithmetic number, because the mean of its divisors is an integer number (527092552896).
Almost surely, 212031413400420 is an apocalyptic number.
12031413400420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12031413400420 is an abundant number, since it is smaller than the sum of its proper divisors (13269029138588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031413400420 is a wasteful number, since it uses less digits than its factorization.
12031413400420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158740 (or 158738 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 12031413400420 its reverse (2400431413021), we get a palindrome (14431844813441).
The spelling of 12031413400420 in words is "twelve trillion, thirty-one billion, four hundred thirteen million, four hundred thousand, four hundred twenty".
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