Base | Representation |
---|---|
bin | 1101101111100011011001… |
… | …00100111000001110000101 |
3 | 10222000010020012011100210011 |
4 | 12313301230210320032011 |
5 | 12430121020121021240 |
6 | 144135233301230221 |
7 | 6236260536210256 |
oct | 667615444701605 |
9 | 128003205140704 |
10 | 30221211501445 |
11 | 96a1820033238 |
12 | 34810a6702371 |
13 | 13b2b041265c3 |
14 | 766a005d8b2d |
15 | 3761ca5276ea |
hex | 1b7c6c938385 |
30221211501445 has 48 divisors (see below), whose sum is σ = 37142031793536. Its totient is φ = 23599940716800.
The previous prime is 30221211501413. The next prime is 30221211501487. The reversal of 30221211501445 is 54410511212203.
It is not a de Polignac number, because 30221211501445 - 25 = 30221211501413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5225868024 + ... + 5225873806.
It is an arithmetic number, because the mean of its divisors is an integer number (773792329032).
Almost surely, 230221211501445 is an apocalyptic number.
It is an amenable number.
30221211501445 is a deficient number, since it is larger than the sum of its proper divisors (6920820292091).
30221211501445 is an equidigital number, since it uses as much as digits as its factorization.
30221211501445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6734 (or 6553 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
Adding to 30221211501445 its reverse (54410511212203), we get a palindrome (84631722713648).
The spelling of 30221211501445 in words is "thirty trillion, two hundred twenty-one billion, two hundred eleven million, five hundred one thousand, four hundred forty-five".
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