Base | Representation |
---|---|
bin | 111111011111101… |
… | …0101010100101101 |
3 | 12111110222012221212 |
4 | 1332333111110231 |
5 | 13330404003004 |
6 | 551224404205 |
7 | 103540135322 |
oct | 17677252455 |
9 | 5443865855 |
10 | 2130531629 |
11 | 9a36a1a46 |
12 | 4b5616665 |
13 | 27c51ab05 |
14 | 162d56b49 |
15 | c709896e |
hex | 7efd552d |
2130531629 has 2 divisors, whose sum is σ = 2130531630. Its totient is φ = 2130531628.
The previous prime is 2130531589. The next prime is 2130531643. The reversal of 2130531629 is 9261350312.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1956027529 + 174504100 = 44227^2 + 13210^2 .
It is a cyclic number.
It is not a de Polignac number, because 2130531629 - 224 = 2113754413 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2130531595 and 2130531604.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130531659) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065265814 + 1065265815.
It is an arithmetic number, because the mean of its divisors is an integer number (1065265815).
Almost surely, 22130531629 is an apocalyptic number.
It is an amenable number.
2130531629 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130531629 is an equidigital number, since it uses as much as digits as its factorization.
2130531629 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9720, while the sum is 32.
The square root of 2130531629 is about 46157.6822316719. The cubic root of 2130531629 is about 1286.7553876362.
The spelling of 2130531629 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred twenty-nine".
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