Base | Representation |
---|---|
bin | 11100001110110000… |
… | …001111111010111111 |
3 | 2220020111221101202001 |
4 | 130032300033322333 |
5 | 444034422101343 |
6 | 21531505443131 |
7 | 2122111205062 |
oct | 341660177277 |
9 | 86214841661 |
10 | 30312300223 |
11 | 11945559897 |
12 | 5a5b6404a7 |
13 | 2b20cab72a |
14 | 1677b008d9 |
15 | bc626744d |
hex | 70ec0febf |
30312300223 has 2 divisors, whose sum is σ = 30312300224. Its totient is φ = 30312300222.
The previous prime is 30312300191. The next prime is 30312300233. The reversal of 30312300223 is 32200321303.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30312300223 - 25 = 30312300191 is a prime.
It is a super-3 number, since 3×303123002233 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30312300223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30312300233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156150111 + 15156150112.
It is an arithmetic number, because the mean of its divisors is an integer number (15156150112).
Almost surely, 230312300223 is an apocalyptic number.
30312300223 is a deficient number, since it is larger than the sum of its proper divisors (1).
30312300223 is an equidigital number, since it uses as much as digits as its factorization.
30312300223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30312300223 its reverse (32200321303), we get a palindrome (62512621526).
The spelling of 30312300223 in words is "thirty billion, three hundred twelve million, three hundred thousand, two hundred twenty-three".
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