Base | Representation |
---|---|
bin | 11100001001010001… |
… | …010011001110011100 |
3 | 2220000002211100211021 |
4 | 130021101103032130 |
5 | 443342344114322 |
6 | 21514421533524 |
7 | 2116613215303 |
oct | 341121231634 |
9 | 86002740737 |
10 | 30220301212 |
11 | 118a8632652 |
12 | 5a348742a4 |
13 | 2b07c0994a |
14 | 16697d343a |
15 | bbd1434c7 |
hex | 70945339c |
30220301212 has 6 divisors (see below), whose sum is σ = 52885527128. Its totient is φ = 15110150604.
The previous prime is 30220301207. The next prime is 30220301213. The reversal of 30220301212 is 21210302203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220301213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777537648 + ... + 3777537655.
Almost surely, 230220301212 is an apocalyptic number.
It is an amenable number.
30220301212 is a deficient number, since it is larger than the sum of its proper divisors (22665225916).
30220301212 is a wasteful number, since it uses less digits than its factorization.
30220301212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7555075307 (or 7555075305 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30220301212 its reverse (21210302203), we get a palindrome (51430603415).
Subtracting from 30220301212 its reverse (21210302203), we obtain a palindrome (9009999009).
The spelling of 30220301212 in words is "thirty billion, two hundred twenty million, three hundred one thousand, two hundred twelve".
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