Base | Representation |
---|---|
bin | 11100010101110001… |
… | …001111100100110101 |
3 | 2220112201102020111011 |
4 | 130111301033210311 |
5 | 444310040021321 |
6 | 21551312312221 |
7 | 2125040513266 |
oct | 342561174465 |
9 | 86481366434 |
10 | 30430001461 |
11 | 119a5a40542 |
12 | 5a92b42671 |
13 | 2b3c4ac232 |
14 | 16895bc96d |
15 | bd1766ae1 |
hex | 715c4f935 |
30430001461 has 2 divisors, whose sum is σ = 30430001462. Its totient is φ = 30430001460.
The previous prime is 30430001449. The next prime is 30430001467. The reversal of 30430001461 is 16410003403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23620616100 + 6809385361 = 153690^2 + 82519^2 .
It is a cyclic number.
It is not a de Polignac number, because 30430001461 - 25 = 30430001429 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30430001467) 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, 15215000730 + 15215000731.
It is an arithmetic number, because the mean of its divisors is an integer number (15215000731).
Almost surely, 230430001461 is an apocalyptic number.
It is an amenable number.
30430001461 is a deficient number, since it is larger than the sum of its proper divisors (1).
30430001461 is an equidigital number, since it uses as much as digits as its factorization.
30430001461 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30430001461 its reverse (16410003403), we get a palindrome (46840004864).
The spelling of 30430001461 in words is "thirty billion, four hundred thirty million, one thousand, four hundred sixty-one".
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