Base | Representation |
---|---|
bin | 1101101110111110000111… |
… | …11111101100101001000101 |
3 | 10221221012120210020002101212 |
4 | 12313133003333230221011 |
5 | 12424304031022010341 |
6 | 144122124040301205 |
7 | 6234651654341063 |
oct | 667370377545105 |
9 | 127835523202355 |
10 | 30201203313221 |
11 | 9694292a21296 |
12 | 3479241a71805 |
13 | 13b0c65b42985 |
14 | 765a631c1033 |
15 | 375908be05eb |
hex | 1b77c3feca45 |
30201203313221 has 16 divisors (see below), whose sum is σ = 32052339601920. Its totient is φ = 28395022896240.
The previous prime is 30201203313209. The next prime is 30201203313227. The reversal of 30201203313221 is 12231330210203.
It is not a de Polignac number, because 30201203313221 - 26 = 30201203313157 is a prime.
It is a super-2 number, since 2×302012033132212 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30201203313227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9835766 + ... + 12535736.
It is an arithmetic number, because the mean of its divisors is an integer number (2003271225120).
Almost surely, 230201203313221 is an apocalyptic number.
It is an amenable number.
30201203313221 is a deficient number, since it is larger than the sum of its proper divisors (1851136288699).
30201203313221 is a wasteful number, since it uses less digits than its factorization.
30201203313221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2708296.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 30201203313221 its reverse (12231330210203), we get a palindrome (42432533523424).
The spelling of 30201203313221 in words is "thirty trillion, two hundred one billion, two hundred three million, three hundred thirteen thousand, two hundred twenty-one".
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