Base | Representation |
---|---|
bin | 1011111100010010010011… |
… | …0010110011000100010101 |
3 | 1201111020200102202101021020 |
4 | 2333010210302303010111 |
5 | 3210111410033220041 |
6 | 43531554050311353 |
7 | 2523430606135650 |
oct | 277044462630425 |
9 | 51436612671236 |
10 | 13130332320021 |
11 | 42025a7318874 |
12 | 15808b5888559 |
13 | 7432536659c7 |
14 | 3357236b8897 |
15 | 17b83b790866 |
hex | bf124cb3115 |
13130332320021 has 32 divisors (see below), whose sum is σ = 21216366961920. Its totient is φ = 7051260343296.
The previous prime is 13130332319963. The next prime is 13130332320031. The reversal of 13130332320021 is 12002323303131.
It is not a de Polignac number, because 13130332320021 - 29 = 13130332319509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13130332319973 and 13130332320000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13130332320031) 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, 26922006 + ... + 27405383.
It is an arithmetic number, because the mean of its divisors is an integer number (663011467560).
Almost surely, 213130332320021 is an apocalyptic number.
It is an amenable number.
13130332320021 is a deficient number, since it is larger than the sum of its proper divisors (8086034641899).
13130332320021 is a wasteful number, since it uses less digits than its factorization.
13130332320021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54328093.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 13130332320021 its reverse (12002323303131), we get a palindrome (25132655623152).
The spelling of 13130332320021 in words is "thirteen trillion, one hundred thirty billion, three hundred thirty-two million, three hundred twenty thousand, twenty-one".
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