Base | Representation |
---|---|
bin | 1101101111010000100100… |
… | …11111011110011101111100 |
3 | 10221222011011012210010212022 |
4 | 12313220102133132131330 |
5 | 12424434323202414322 |
6 | 144130443055255312 |
7 | 6235452321446333 |
oct | 667502237363574 |
9 | 127864135703768 |
10 | 30211110201212 |
11 | 9698507119926 |
12 | 347b14781a538 |
13 | 13b1b8445b885 |
14 | 766322c26d1a |
15 | 375cd8809942 |
hex | 1b7a127de77c |
30211110201212 has 24 divisors (see below), whose sum is σ = 52988551812000. Its totient is φ = 15071525697536.
The previous prime is 30211110201187. The next prime is 30211110201221. The reversal of 30211110201212 is 21210201111203.
It is a happy number.
It is a super-2 number, since 2×302111102012122 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77606768 + ... + 77995080.
It is an arithmetic number, because the mean of its divisors is an integer number (2207856325500).
Almost surely, 230211110201212 is an apocalyptic number.
It is an amenable number.
30211110201212 is a deficient number, since it is larger than the sum of its proper divisors (22777441610788).
30211110201212 is a wasteful number, since it uses less digits than its factorization.
30211110201212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432085 (or 432083 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 30211110201212 its reverse (21210201111203), we get a palindrome (51421311312415).
Subtracting from 30211110201212 its reverse (21210201111203), we obtain a palindrome (9000909090009).
The spelling of 30211110201212 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, two hundred twelve".
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