Base | Representation |
---|---|
bin | 11100001000010000… |
… | …000111001000001111 |
3 | 2212221220200011020201 |
4 | 130020100013020033 |
5 | 443324010243203 |
6 | 21513011354331 |
7 | 2116315032355 |
oct | 341020071017 |
9 | 85856604221 |
10 | 30203212303 |
11 | 11899a20490 |
12 | 5a2abb29a7 |
13 | 2b04505574 |
14 | 16674257d5 |
15 | bbb8b9e1d |
hex | 70840720f |
30203212303 has 16 divisors (see below), whose sum is σ = 33210283392. Its totient is φ = 27240300000.
The previous prime is 30203212267. The next prime is 30203212309. The reversal of 30203212303 is 30321230203.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30203212303 - 29 = 30203211791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30203212309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009053 + ... + 1038553.
It is an arithmetic number, because the mean of its divisors is an integer number (2075642712).
Almost surely, 230203212303 is an apocalyptic number.
30203212303 is a deficient number, since it is larger than the sum of its proper divisors (3007071089).
30203212303 is a wasteful number, since it uses less digits than its factorization.
30203212303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30246.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30203212303 its reverse (30321230203), we get a palindrome (60524442506).
The spelling of 30203212303 in words is "thirty billion, two hundred three million, two hundred twelve thousand, three hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •