Base | Representation |
---|---|
bin | 111111001011110… |
… | …1001111000011001 |
3 | 12110202101202201001 |
4 | 1332113221320121 |
5 | 13320223130243 |
6 | 550213425001 |
7 | 103352544145 |
oct | 17627517031 |
9 | 5422352631 |
10 | 2120130073 |
11 | 998838116 |
12 | 4b203b161 |
13 | 27a318549 |
14 | 16180a225 |
15 | c61e1a4d |
hex | 7e5e9e19 |
2120130073 has 2 divisors, whose sum is σ = 2120130074. Its totient is φ = 2120130072.
The previous prime is 2120130071. The next prime is 2120130109. The reversal of 2120130073 is 3700310212.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2067248089 + 52881984 = 45467^2 + 7272^2 .
It is a cyclic number.
It is not a de Polignac number, because 2120130073 - 21 = 2120130071 is a prime.
Together with 2120130071, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2120130073.
It is not a weakly prime, because it can be changed into another prime (2120130071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060065036 + 1060065037.
It is an arithmetic number, because the mean of its divisors is an integer number (1060065037).
Almost surely, 22120130073 is an apocalyptic number.
It is an amenable number.
2120130073 is a deficient number, since it is larger than the sum of its proper divisors (1).
2120130073 is an equidigital number, since it uses as much as digits as its factorization.
2120130073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 2120130073 is about 46044.8702137383. The cubic root of 2120130073 is about 1284.6579301144.
Adding to 2120130073 its reverse (3700310212), we get a palindrome (5820440285).
The spelling of 2120130073 in words is "two billion, one hundred twenty million, one hundred thirty thousand, seventy-three".
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