Base | Representation |
---|---|
bin | 111100100110001011… |
… | …1110001101010010101 |
3 | 110102220000011012002021 |
4 | 1321030113301222111 |
5 | 4113001330220041 |
6 | 135440412213141 |
7 | 12254515320052 |
oct | 1711427615225 |
9 | 412800135067 |
10 | 130130320021 |
11 | 5020819a529 |
12 | 2127846a1b1 |
13 | c36aba2b80 |
14 | 6426910029 |
15 | 35b9506cd1 |
hex | 1e4c5f1a95 |
130130320021 has 16 divisors (see below), whose sum is σ = 142824923136. Its totient is φ = 117820512576.
The previous prime is 130130319997. The next prime is 130130320031. The reversal of 130130320021 is 120023031031.
It is not a de Polignac number, because 130130320021 - 223 = 130121931413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130130319977 and 130130320004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130130320031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595436 + ... + 2645098.
It is an arithmetic number, because the mean of its divisors is an integer number (8926557696).
Almost surely, 2130130320021 is an apocalyptic number.
It is an amenable number.
130130320021 is a deficient number, since it is larger than the sum of its proper divisors (12694603115).
130130320021 is a wasteful number, since it uses less digits than its factorization.
130130320021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53532.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 130130320021 its reverse (120023031031), we get a palindrome (250153351052).
The spelling of 130130320021 in words is "one hundred thirty billion, one hundred thirty million, three hundred twenty thousand, twenty-one".
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