Base | Representation |
---|---|
bin | 110010010011000100101011… |
… | …100111000001011110011110 |
3 | 1002000020202110212102112002100 |
4 | 302103010223213001132132 |
5 | 212443323232142333210 |
6 | 2102251505351505530 |
7 | 64411053624226026 |
oct | 6223045347013636 |
9 | 1060222425375070 |
10 | 221213022230430 |
11 | 64537a0904598a |
12 | 209886956882a6 |
13 | 96583b5a139b9 |
14 | 3c8aaa5a80a86 |
15 | 1a893d1ea45c0 |
hex | c9312b9c179e |
221213022230430 has 24 divisors (see below), whose sum is σ = 575153857799352. Its totient is φ = 58990139261424.
The previous prime is 221213022230351. The next prime is 221213022230443. The reversal of 221213022230430 is 34032220312122.
221213022230430 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 1 + 3 + 0 + 2 + 223 + 0 + 430 = 666.
221213022230430 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 221213022230394 and 221213022230403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228961234524 + ... + 1228961234703.
It is an arithmetic number, because the mean of its divisors is an integer number (23964744074973).
Almost surely, 2221213022230430 is an apocalyptic number.
221213022230430 is an abundant number, since it is smaller than the sum of its proper divisors (353940835568922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221213022230430 is a wasteful number, since it uses less digits than its factorization.
221213022230430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2457922469240 (or 2457922469237 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 221213022230430 its reverse (34032220312122), we get a palindrome (255245242542552).
The spelling of 221213022230430 in words is "two hundred twenty-one trillion, two hundred thirteen billion, twenty-two million, two hundred thirty thousand, four hundred thirty".
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