Base | Representation |
---|---|
bin | 11100001000010000… |
… | …000111001001111011 |
3 | 2212221220200011101201 |
4 | 130020100013021323 |
5 | 443324010244121 |
6 | 21513011355031 |
7 | 2116315032601 |
oct | 341020071173 |
9 | 85856604351 |
10 | 30203212411 |
11 | 11899a20579 |
12 | 5a2abb2a77 |
13 | 2b04505628 |
14 | 1667425871 |
15 | bbb8b9e91 |
hex | 70840727b |
30203212411 has 2 divisors, whose sum is σ = 30203212412. Its totient is φ = 30203212410.
The previous prime is 30203212357. The next prime is 30203212493. The reversal of 30203212411 is 11421230203.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30203212411 - 213 = 30203204219 is a prime.
It is not a weakly prime, because it can be changed into another prime (30203218411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101606205 + 15101606206.
It is an arithmetic number, because the mean of its divisors is an integer number (15101606206).
Almost surely, 230203212411 is an apocalyptic number.
30203212411 is a deficient number, since it is larger than the sum of its proper divisors (1).
30203212411 is an equidigital number, since it uses as much as digits as its factorization.
30203212411 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30203212411 its reverse (11421230203), we get a palindrome (41624442614).
The spelling of 30203212411 in words is "thirty billion, two hundred three million, two hundred twelve thousand, four hundred eleven".
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