Base | Representation |
---|---|
bin | 1111011111110… |
… | …10010010000001 |
3 | 100001121200110212 |
4 | 13233322102001 |
5 | 231240000001 |
6 | 20522203505 |
7 | 3135660515 |
oct | 757722201 |
9 | 301550425 |
10 | 130000001 |
11 | 67421a1a |
12 | 37653595 |
13 | 20c187a1 |
14 | 133a0145 |
15 | b62d7bb |
hex | 7bfa481 |
130000001 has 2 divisors, whose sum is σ = 130000002. Its totient is φ = 130000000.
The previous prime is 129999997. The next prime is 130000007. The reversal of 130000001 is 100000031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 78145600 + 51854401 = 8840^2 + 7201^2 .
It is a cyclic number.
It is not a de Polignac number, because 130000001 - 22 = 129999997 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130000001.
It is not a weakly prime, because it can be changed into another prime (130000007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65000000 + 65000001.
It is an arithmetic number, because the mean of its divisors is an integer number (65000001).
Almost surely, 2130000001 is an apocalyptic number.
It is an amenable number.
130000001 is a deficient number, since it is larger than the sum of its proper divisors (1).
130000001 is an equidigital number, since it uses as much as digits as its factorization.
130000001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3, while the sum is 5.
The square root of 130000001 is about 11401.7542948443. The cubic root of 130000001 is about 506.5797032090.
Adding to 130000001 its reverse (100000031), we get a palindrome (230000032).
The spelling of 130000001 in words is "one hundred thirty million, one", and thus it is an aban number.
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