Base | Representation |
---|---|
bin | 1011000010111001000111… |
… | …1001000110100111100110 |
3 | 1120222222121120000110111101 |
4 | 2300232101321012213212 |
5 | 3042433031433231210 |
6 | 41455005041030314 |
7 | 2362253401404301 |
oct | 260562171064746 |
9 | 46888546013441 |
10 | 12144320211430 |
11 | 3962417180810 |
12 | 144179832539a |
13 | 6a12873297b4 |
14 | 2ddb06cb5b38 |
15 | 160d7d069a3a |
hex | b0b91e469e6 |
12144320211430 has 64 divisors (see below), whose sum is σ = 25182851166720. Its totient is φ = 4170236659200.
The previous prime is 12144320211421. The next prime is 12144320211503. The reversal of 12144320211430 is 3411202344121.
It is a happy number.
12144320211430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8691939 + ... + 9991918.
It is an arithmetic number, because the mean of its divisors is an integer number (393482049480).
Almost surely, 212144320211430 is an apocalyptic number.
12144320211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12144320211430 is an abundant number, since it is smaller than the sum of its proper divisors (13038530955290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144320211430 is a wasteful number, since it uses less digits than its factorization.
12144320211430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18684205.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 12144320211430 its reverse (3411202344121), we get a palindrome (15555522555551).
The spelling of 12144320211430 in words is "twelve trillion, one hundred forty-four billion, three hundred twenty million, two hundred eleven thousand, four hundred thirty".
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