Base | Representation |
---|---|
bin | 11100001000010000… |
… | …100011111000010111 |
3 | 2212221220220010210111 |
4 | 130020100203320113 |
5 | 443324023030241 |
6 | 21513014103451 |
7 | 2116316032615 |
oct | 341020437027 |
9 | 85856803714 |
10 | 30203330071 |
11 | 11899aa0a12 |
12 | 5a2b04ab87 |
13 | 2b04547055 |
14 | 16674566b5 |
15 | bbb8dec81 |
hex | 708423e17 |
30203330071 has 2 divisors, whose sum is σ = 30203330072. Its totient is φ = 30203330070.
The previous prime is 30203330063. The next prime is 30203330081. The reversal of 30203330071 is 17003330203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30203330071 - 23 = 30203330063 is a prime.
It is a super-2 number, since 2×302033300712 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30203330081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101665035 + 15101665036.
It is an arithmetic number, because the mean of its divisors is an integer number (15101665036).
Almost surely, 230203330071 is an apocalyptic number.
30203330071 is a deficient number, since it is larger than the sum of its proper divisors (1).
30203330071 is an equidigital number, since it uses as much as digits as its factorization.
30203330071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1134, while the sum is 22.
Adding to 30203330071 its reverse (17003330203), we get a palindrome (47206660274).
The spelling of 30203330071 in words is "thirty billion, two hundred three million, three hundred thirty thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •