Base | Representation |
---|---|
bin | 10111001010010001… |
… | …10010010000010110 |
3 | 1012002120011211021200 |
4 | 23211020302100112 |
5 | 200431130020204 |
6 | 5413500253330 |
7 | 620063061264 |
oct | 134510622026 |
9 | 35076154250 |
10 | 12434220054 |
11 | 530087a623 |
12 | 24b0241246 |
13 | 12320c7b79 |
14 | 85d56d434 |
15 | 4cb943539 |
hex | 2e5232416 |
12434220054 has 12 divisors (see below), whose sum is σ = 26940810156. Its totient is φ = 4144740012.
The previous prime is 12434220047. The next prime is 12434220059. The reversal of 12434220054 is 45002243421.
12434220054 is a `hidden beast` number, since 1 + 2 + 434 + 220 + 0 + 5 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12434220059) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345394984 + ... + 345395019.
It is an arithmetic number, because the mean of its divisors is an integer number (2245067513).
Almost surely, 212434220054 is an apocalyptic number.
12434220054 is an abundant number, since it is smaller than the sum of its proper divisors (14506590102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12434220054 is a wasteful number, since it uses less digits than its factorization.
12434220054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690790011 (or 690790008 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 12434220054 its reverse (45002243421), we get a palindrome (57436463475).
The spelling of 12434220054 in words is "twelve billion, four hundred thirty-four million, two hundred twenty thousand, fifty-four".
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