Base | Representation |
---|---|
bin | 1101110000100010111001… |
… | …11001010100001111001111 |
3 | 10222010101020110001011221221 |
4 | 12320101130321110033033 |
5 | 12431200332342140444 |
6 | 144203032515104211 |
7 | 6241605512066014 |
oct | 670213471241717 |
9 | 128111213034857 |
10 | 30255308161999 |
11 | 9705227780a48 |
12 | 34878215a2067 |
13 | 13b60a91548ab |
14 | 768516b5970b |
15 | 377023b1ba84 |
hex | 1b845ce543cf |
30255308161999 has 2 divisors, whose sum is σ = 30255308162000. Its totient is φ = 30255308161998.
The previous prime is 30255308161963. The next prime is 30255308162029. The reversal of 30255308161999 is 99916180355203.
It is a strong prime.
It is an emirp because it is prime and its reverse (99916180355203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30255308161999 - 215 = 30255308129231 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30255308161399) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127654080999 + 15127654081000.
It is an arithmetic number, because the mean of its divisors is an integer number (15127654081000).
Almost surely, 230255308161999 is an apocalyptic number.
30255308161999 is a deficient number, since it is larger than the sum of its proper divisors (1).
30255308161999 is an equidigital number, since it uses as much as digits as its factorization.
30255308161999 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15746400, while the sum is 61.
The spelling of 30255308161999 in words is "thirty trillion, two hundred fifty-five billion, three hundred eight million, one hundred sixty-one thousand, nine hundred ninety-nine".
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