Base | Representation |
---|---|
bin | 111100110001010111… |
… | …0010010011111100111 |
3 | 110110212010210011221001 |
4 | 1321202232102133213 |
5 | 4114233330223143 |
6 | 135541525534131 |
7 | 12300020630512 |
oct | 1714256223747 |
9 | 413763704831 |
10 | 130505320423 |
11 | 5038a93a915 |
12 | 21361b74347 |
13 | c3ca7a04ba |
14 | 6460647d79 |
15 | 35dc3cd14d |
hex | 1e62b927e7 |
130505320423 has 2 divisors, whose sum is σ = 130505320424. Its totient is φ = 130505320422.
The previous prime is 130505320391. The next prime is 130505320447. The reversal of 130505320423 is 324023505031.
It is a strong prime.
It is an emirp because it is prime and its reverse (324023505031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130505320423 - 25 = 130505320391 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130505320391 and 130505320400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130505320483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65252660211 + 65252660212.
It is an arithmetic number, because the mean of its divisors is an integer number (65252660212).
Almost surely, 2130505320423 is an apocalyptic number.
130505320423 is a deficient number, since it is larger than the sum of its proper divisors (1).
130505320423 is an equidigital number, since it uses as much as digits as its factorization.
130505320423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10800, while the sum is 28.
Adding to 130505320423 its reverse (324023505031), we get a palindrome (454528825454).
The spelling of 130505320423 in words is "one hundred thirty billion, five hundred five million, three hundred twenty thousand, four hundred twenty-three".
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