Base | Representation |
---|---|
bin | 1101101111100011000010… |
… | …10110111111010111011001 |
3 | 10222000002202002001022110120 |
4 | 12313301201112333113121 |
5 | 12430120123431430241 |
6 | 144135202455503453 |
7 | 6236253062501103 |
oct | 667614126772731 |
9 | 128002662038416 |
10 | 30221023311321 |
11 | 96a1733887207 |
12 | 3481053687b89 |
13 | 13b2aa41458bb |
14 | 7669c360c573 |
15 | 3761b8c52666 |
hex | 1b7c615bf5d9 |
30221023311321 has 16 divisors (see below), whose sum is σ = 41062199470080. Its totient is φ = 19765322737920.
The previous prime is 30221023311317. The next prime is 30221023311373. The reversal of 30221023311321 is 12311332012203.
It is not a de Polignac number, because 30221023311321 - 22 = 30221023311317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30221023311291 and 30221023311300.
It is not an unprimeable number, because it can be changed into a prime (30221023311121) 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, 215520256 + ... + 215660433.
It is an arithmetic number, because the mean of its divisors is an integer number (2566387466880).
Almost surely, 230221023311321 is an apocalyptic number.
It is an amenable number.
30221023311321 is a deficient number, since it is larger than the sum of its proper divisors (10841176158759).
30221023311321 is a wasteful number, since it uses less digits than its factorization.
30221023311321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431181136.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 30221023311321 its reverse (12311332012203), we get a palindrome (42532355323524).
The spelling of 30221023311321 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, three hundred eleven thousand, three hundred twenty-one".
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