Base | Representation |
---|---|
bin | 1101101111010010010001… |
… | …10000001100101001001000 |
3 | 10221222020111122202212112210 |
4 | 12313221020300030221020 |
5 | 12424443204230214222 |
6 | 144131113255305120 |
7 | 6235514014355112 |
oct | 667511060145110 |
9 | 127866448685483 |
10 | 30212020554312 |
11 | 9698933a82663 |
12 | 347b36067b1a0 |
13 | 13b1c9ac3b74c |
14 | 7663ababa3b2 |
15 | 375d3d6cdd0c |
hex | 1b7a48c0ca48 |
30212020554312 has 32 divisors (see below), whose sum is σ = 76486127990400. Its totient is φ = 9943196637504.
The previous prime is 30212020554301. The next prime is 30212020554329. The reversal of 30212020554312 is 21345502021203.
It is a self number, because there is not a number n which added to its sum of digits gives 30212020554312.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967303103 + ... + 7967306894.
It is an arithmetic number, because the mean of its divisors is an integer number (2390191499700).
Almost surely, 230212020554312 is an apocalyptic number.
It is an amenable number.
30212020554312 is an abundant number, since it is smaller than the sum of its proper divisors (46274107436088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212020554312 is a wasteful number, since it uses less digits than its factorization.
30212020554312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15934610085 (or 15934610081 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 30212020554312 its reverse (21345502021203), we get a palindrome (51557522575515).
The spelling of 30212020554312 in words is "thirty trillion, two hundred twelve billion, twenty million, five hundred fifty-four thousand, three hundred twelve".
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