Base | Representation |
---|---|
bin | 11100001001010000… |
… | …101100011010001111 |
3 | 2220000002112021201210 |
4 | 130021100230122033 |
5 | 443342324022343 |
6 | 21514414305503 |
7 | 2116611653625 |
oct | 341120543217 |
9 | 86002467653 |
10 | 30220142223 |
11 | 118a8534157 |
12 | 5a347b8293 |
13 | 2b07b8247b |
14 | 1669791515 |
15 | bbd111333 |
hex | 70942c68f |
30220142223 has 16 divisors (see below), whose sum is σ = 41008294656. Its totient is φ = 19791576000.
The previous prime is 30220142213. The next prime is 30220142261. The reversal of 30220142223 is 32224102203.
It is not a de Polignac number, because 30220142223 - 26 = 30220142159 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30220142223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220142213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219915 + ... + 329852.
It is an arithmetic number, because the mean of its divisors is an integer number (2563018416).
Almost surely, 230220142223 is an apocalyptic number.
30220142223 is a deficient number, since it is larger than the sum of its proper divisors (10788152433).
30220142223 is a wasteful number, since it uses less digits than its factorization.
30220142223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550094.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 30220142223 its reverse (32224102203), we get a palindrome (62444244426).
The spelling of 30220142223 in words is "thirty billion, two hundred twenty million, one hundred forty-two thousand, two hundred twenty-three".
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