Base | Representation |
---|---|
bin | 1101101100000101010111… |
… | …01111010000101010010000 |
3 | 10221120201112222110112120201 |
4 | 12312002223233100222100 |
5 | 12421142410044301222 |
6 | 144004401244344544 |
7 | 6224540631066142 |
oct | 666025357205220 |
9 | 127521488415521 |
10 | 30102012103312 |
11 | 9656212090156 |
12 | 3461b7ab45154 |
13 | 13a47b8a73066 |
14 | 760d33736c92 |
15 | 3730509b7427 |
hex | 1b60abbd0a90 |
30102012103312 has 40 divisors (see below), whose sum is σ = 59194076711616. Its totient is φ = 14826128482176.
The previous prime is 30102012103309. The next prime is 30102012103313. The reversal of 30102012103312 is 21330121020103.
It is a super-2 number, since 2×301020121033122 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30102012103312.
It is not an unprimeable number, because it can be changed into a prime (30102012103313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81036918 + ... + 81407530.
Almost surely, 230102012103312 is an apocalyptic number.
It is an amenable number.
30102012103312 is a deficient number, since it is larger than the sum of its proper divisors (29092064608304).
30102012103312 is a wasteful number, since it uses less digits than its factorization.
30102012103312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446455 (or 446449 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30102012103312 its reverse (21330121020103), we get a palindrome (51432133123415).
The spelling of 30102012103312 in words is "thirty trillion, one hundred two billion, twelve million, one hundred three thousand, three hundred twelve".
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