Base | Representation |
---|---|
bin | 1101101111100011011011… |
… | …11111101111010110111110 |
3 | 10222000010021211222111001021 |
4 | 12313301231333233112332 |
5 | 12430121042220222004 |
6 | 144135235511534354 |
7 | 6236261245522666 |
oct | 667615577572676 |
9 | 128003254874037 |
10 | 30221235320254 |
11 | 96a1832521700 |
12 | 34810b268a3ba |
13 | 13b2b09045c84 |
14 | 766a038391a6 |
15 | 3761cc67ed54 |
hex | 1b7c6dfef5be |
30221235320254 has 96 divisors (see below), whose sum is σ = 51731267904288. Its totient is φ = 13222337356800.
The previous prime is 30221235320249. The next prime is 30221235320303. The reversal of 30221235320254 is 45202353212203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221499984 + ... + 221636380.
It is an arithmetic number, because the mean of its divisors is an integer number (538867374003).
Almost surely, 230221235320254 is an apocalyptic number.
30221235320254 is a deficient number, since it is larger than the sum of its proper divisors (21510032584034).
30221235320254 is a wasteful number, since it uses less digits than its factorization.
30221235320254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136762 (or 136751 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 34.
Adding to 30221235320254 its reverse (45202353212203), we get a palindrome (75423588532457).
The spelling of 30221235320254 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-five million, three hundred twenty thousand, two hundred fifty-four".
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