Base | Representation |
---|---|
bin | 1011010011100011000000… |
… | …1101001101000010000101 |
3 | 1122000100011000122010100102 |
4 | 2310320300031031002011 |
5 | 3112130022143402440 |
6 | 42234244525253445 |
7 | 2422032664461302 |
oct | 264706015150205 |
9 | 48010130563312 |
10 | 12430444122245 |
11 | 3a627a3711906 |
12 | 148912a704285 |
13 | 6c2255412536 |
14 | 30d8cb1980a9 |
15 | 16852741eb15 |
hex | b4e3034d085 |
12430444122245 has 12 divisors (see below), whose sum is σ = 15098415521196. Its totient is φ = 9824543760960.
The previous prime is 12430444122241. The next prime is 12430444122247. The reversal of 12430444122245 is 54222144403421.
It can be written as a sum of positive squares in 2 ways, for example, as 7748729591716 + 4681714530529 = 2783654^2 + 2163727^2 .
It is not a de Polignac number, because 12430444122245 - 22 = 12430444122241 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12430444122199 and 12430444122208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12430444122241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180404576 + ... + 180473465.
It is an arithmetic number, because the mean of its divisors is an integer number (1258201293433).
Almost surely, 212430444122245 is an apocalyptic number.
It is an amenable number.
12430444122245 is a deficient number, since it is larger than the sum of its proper divisors (2667971398951).
12430444122245 is an frugal number, since it uses more digits than its factorization.
12430444122245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360878212 (or 360878129 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 38.
Adding to 12430444122245 its reverse (54222144403421), we get a palindrome (66652588525666).
The spelling of 12430444122245 in words is "twelve trillion, four hundred thirty billion, four hundred forty-four million, one hundred twenty-two thousand, two hundred forty-five".
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