Base | Representation |
---|---|
bin | 111111011110101… |
… | …0011110101011001 |
3 | 12111102222021101212 |
4 | 1332331103311121 |
5 | 13330240014431 |
6 | 551205152505 |
7 | 103532466104 |
oct | 17675236531 |
9 | 5442867355 |
10 | 2130001241 |
11 | 9a336a505 |
12 | 4b53bb735 |
13 | 27c393584 |
14 | 162c5973b |
15 | c6ee172b |
hex | 7ef53d59 |
2130001241 has 4 divisors (see below), whose sum is σ = 2133510912. Its totient is φ = 2126491572.
The previous prime is 2130001231. The next prime is 2130001253. The reversal of 2130001241 is 1421000312.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2130001241 - 222 = 2125806937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2130001231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753925 + ... + 1755138.
It is an arithmetic number, because the mean of its divisors is an integer number (533377728).
Almost surely, 22130001241 is an apocalyptic number.
It is an amenable number.
2130001241 is a deficient number, since it is larger than the sum of its proper divisors (3509671).
2130001241 is an equidigital number, since it uses as much as digits as its factorization.
2130001241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3509670.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2130001241 is about 46151.9364815822. The cubic root of 2130001241 is about 1286.6486011033.
Adding to 2130001241 its reverse (1421000312), we get a palindrome (3551001553).
The spelling of 2130001241 in words is "two billion, one hundred thirty million, one thousand, two hundred forty-one".
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