Base | Representation |
---|---|
bin | 110010010001110001001001… |
… | …101101111000000100111001 |
3 | 1001222221011222021101002002122 |
4 | 302101301021231320010321 |
5 | 212440341041223431301 |
6 | 2102142353513011025 |
7 | 64401430220502200 |
oct | 6221611155700471 |
9 | 1058834867332078 |
10 | 221123333030201 |
11 | 64502973905308 |
12 | 209732249b3a75 |
13 | 964cac1401114 |
14 | 3c865d8168237 |
15 | 1a86dd306b81b |
hex | c91c49b78139 |
221123333030201 has 24 divisors (see below), whose sum is σ = 257953965120000. Its totient is φ = 188997278811264.
The previous prime is 221123333030161. The next prime is 221123333030209. The reversal of 221123333030201 is 102030333321122.
It is a de Polignac number, because none of the positive numbers 2k-221123333030201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221123333030209) 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, 380537240 + ... + 381117878.
It is an arithmetic number, because the mean of its divisors is an integer number (10748081880000).
Almost surely, 2221123333030201 is an apocalyptic number.
It is an amenable number.
221123333030201 is a deficient number, since it is larger than the sum of its proper divisors (36830632089799).
221123333030201 is a wasteful number, since it uses less digits than its factorization.
221123333030201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 602661 (or 602654 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 221123333030201 its reverse (102030333321122), we get a palindrome (323153666351323).
The spelling of 221123333030201 in words is "two hundred twenty-one trillion, one hundred twenty-three billion, three hundred thirty-three million, thirty thousand, two hundred one".
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