Base | Representation |
---|---|
bin | 1101110010001001110001… |
… | …00101000101011010000101 |
3 | 10222022122210012011122220121 |
4 | 12321010320211011122011 |
5 | 12433101433031002240 |
6 | 144244244500501541 |
7 | 6245602163241430 |
oct | 671047045053205 |
9 | 128278705148817 |
10 | 30310533453445 |
11 | 9726696a38883 |
12 | 34964743aa8b1 |
13 | 13bb36a62423b |
14 | 76b075434817 |
15 | 3786a70bb04a |
hex | 1b9138945685 |
30310533453445 has 32 divisors (see below), whose sum is σ = 44185211831808. Its totient is φ = 19485640163328.
The previous prime is 30310533453439. The next prime is 30310533453449. The reversal of 30310533453445 is 54435433501303.
It is a cyclic number.
It is not a de Polignac number, because 30310533453445 - 235 = 30276173715077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310533453449) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98956177 + ... + 99262006.
It is an arithmetic number, because the mean of its divisors is an integer number (1380787869744).
Almost surely, 230310533453445 is an apocalyptic number.
30310533453445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30310533453445 is a deficient number, since it is larger than the sum of its proper divisors (13874678378363).
30310533453445 is a wasteful number, since it uses less digits than its factorization.
30310533453445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198218469.
The product of its (nonzero) digits is 1944000, while the sum is 43.
Adding to 30310533453445 its reverse (54435433501303), we get a palindrome (84745966954748).
The spelling of 30310533453445 in words is "thirty trillion, three hundred ten billion, five hundred thirty-three million, four hundred fifty-three thousand, four hundred forty-five".
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