Base | Representation |
---|---|
bin | 1111100010101… |
… | …11101100110001 |
3 | 100002100010100201 |
4 | 13301113230301 |
5 | 231334221031 |
6 | 20534315201 |
7 | 3142143214 |
oct | 761275461 |
9 | 302303321 |
10 | 130382641 |
11 | 67663454 |
12 | 377b8b01 |
13 | 210209bc |
14 | 1345d77b |
15 | b6a6d61 |
hex | 7c57b31 |
130382641 has 2 divisors, whose sum is σ = 130382642. Its totient is φ = 130382640.
The previous prime is 130382591. The next prime is 130382657. The reversal of 130382641 is 146283031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129390625 + 992016 = 11375^2 + 996^2 .
It is an emirp because it is prime and its reverse (146283031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130382641 - 213 = 130374449 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130382141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65191320 + 65191321.
It is an arithmetic number, because the mean of its divisors is an integer number (65191321).
Almost surely, 2130382641 is an apocalyptic number.
It is an amenable number.
130382641 is a deficient number, since it is larger than the sum of its proper divisors (1).
130382641 is an equidigital number, since it uses as much as digits as its factorization.
130382641 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 130382641 is about 11418.5218395377. The cubic root of 130382641 is about 507.0762359960.
The spelling of 130382641 in words is "one hundred thirty million, three hundred eighty-two thousand, six hundred forty-one".
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