Base | Representation |
---|---|
bin | 11100001001010100… |
… | …000011100001001111 |
3 | 2220000011012001100200 |
4 | 130021110003201033 |
5 | 443343040221221 |
6 | 21514445224543 |
7 | 2116622313453 |
oct | 341124034117 |
9 | 86004161320 |
10 | 30221023311 |
11 | 118a8a86126 |
12 | 5a34b62153 |
13 | 2b0810051b |
14 | 1669940663 |
15 | bbd237426 |
hex | 70950384f |
30221023311 has 24 divisors (see below), whose sum is σ = 44554788720. Its totient is φ = 19732292736.
The previous prime is 30221023303. The next prime is 30221023331. The reversal of 30221023311 is 11332012203.
It is not a de Polignac number, because 30221023311 - 23 = 30221023303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30221023331) 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, 215740 + ... + 327086.
It is an arithmetic number, because the mean of its divisors is an integer number (1856449530).
Almost surely, 230221023311 is an apocalyptic number.
30221023311 is a deficient number, since it is larger than the sum of its proper divisors (14333765409).
30221023311 is a wasteful number, since it uses less digits than its factorization.
30221023311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111975 (or 111972 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30221023311 its reverse (11332012203), we get a palindrome (41553035514).
The spelling of 30221023311 in words is "thirty billion, two hundred twenty-one million, twenty-three thousand, three hundred eleven".
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