Base | Representation |
---|---|
bin | 1111100010010… |
… | …10010001100001 |
3 | 100002020022220222 |
4 | 13301022101201 |
5 | 231330441044 |
6 | 20533212425 |
7 | 3141523664 |
oct | 761122141 |
9 | 302208828 |
10 | 130327649 |
11 | 67626101 |
12 | 37791115 |
13 | 2100196a |
14 | 134476db |
15 | b6958ee |
hex | 7c4a461 |
130327649 has 2 divisors, whose sum is σ = 130327650. Its totient is φ = 130327648.
The previous prime is 130327633. The next prime is 130327657. The reversal of 130327649 is 946723031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129390625 + 937024 = 11375^2 + 968^2 .
It is a cyclic number.
It is not a de Polignac number, because 130327649 - 24 = 130327633 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (130327619) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65163824 + 65163825.
It is an arithmetic number, because the mean of its divisors is an integer number (65163825).
Almost surely, 2130327649 is an apocalyptic number.
It is an amenable number.
130327649 is a deficient number, since it is larger than the sum of its proper divisors (1).
130327649 is an equidigital number, since it uses as much as digits as its factorization.
130327649 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 35.
The square root of 130327649 is about 11416.1135681106. The cubic root of 130327649 is about 507.0049354571.
The spelling of 130327649 in words is "one hundred thirty million, three hundred twenty-seven thousand, six hundred forty-nine".
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