Base | Representation |
---|---|
bin | 10110101110111111… |
… | …00010010101100111 |
3 | 1011111121102122022120 |
4 | 23113133202111213 |
5 | 144444024200033 |
6 | 5335042001023 |
7 | 611313236115 |
oct | 132737422547 |
9 | 34447378276 |
10 | 12205303143 |
11 | 51a36369a0 |
12 | 2447646173 |
13 | 11c6857887 |
14 | 83adc0ab5 |
15 | 4b67c61b3 |
hex | 2d77e2567 |
12205303143 has 32 divisors (see below), whose sum is σ = 17968262400. Its totient is φ = 7308038400.
The previous prime is 12205303141. The next prime is 12205303151. The reversal of 12205303143 is 34130350221.
It is not a de Polignac number, because 12205303143 - 21 = 12205303141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12205303141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983803 + ... + 996131.
It is an arithmetic number, because the mean of its divisors is an integer number (561508200).
Almost surely, 212205303143 is an apocalyptic number.
12205303143 is a deficient number, since it is larger than the sum of its proper divisors (5762959257).
12205303143 is a wasteful number, since it uses less digits than its factorization.
12205303143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12703.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 12205303143 its reverse (34130350221), we get a palindrome (46335653364).
The spelling of 12205303143 in words is "twelve billion, two hundred five million, three hundred three thousand, one hundred forty-three".
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