Base | Representation |
---|---|
bin | 1101101111010000100100… |
… | …11111011110111101000000 |
3 | 10221222011011012210020120221 |
4 | 12313220102133132331000 |
5 | 12424434323203000300 |
6 | 144130443055312424 |
7 | 6235452321455203 |
oct | 667502237367500 |
9 | 127864135706527 |
10 | 30211110203200 |
11 | 9698507120373 |
12 | 347b14781b714 |
13 | 13b1b8445c754 |
14 | 766322c2793a |
15 | 375cd880a31a |
hex | 1b7a127def40 |
30211110203200 has 168 divisors, whose sum is σ = 81425225338200. Its totient is φ = 10981401231360.
The previous prime is 30211110203161. The next prime is 30211110203201. The reversal of 30211110203200 is 230201111203.
It can be written as a sum of positive squares in 12 ways, for example, as 5785294909696 + 24425815293504 = 2405264^2 + 4942248^2 .
It is a super-2 number, since 2×302111102032002 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211110203201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18361245 + ... + 19938844.
Almost surely, 230211110203200 is an apocalyptic number.
It is an amenable number.
30211110203200 is an abundant number, since it is smaller than the sum of its proper divisors (51214115135000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211110203200 is a wasteful number, since it uses less digits than its factorization.
30211110203200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38300157 (or 38300142 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30211110203200 its reverse (230201111203), we get a palindrome (30441311314403).
The spelling of 30211110203200 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, two hundred three thousand, two hundred".
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