Base | Representation |
---|---|
bin | 1101110100001011110000… |
… | …00011110001011000001100 |
3 | 10222120022220120222211211120 |
4 | 12322011320003301120030 |
5 | 12440222342343023322 |
6 | 144340305252320540 |
7 | 6253622412466623 |
oct | 672057003613014 |
9 | 128508816884746 |
10 | 30380317939212 |
11 | 975324751090a |
12 | 34a7aab013150 |
13 | 13c4b0c211b77 |
14 | 7705b558a6ba |
15 | 37a3dd80aa5c |
hex | 1ba1780f160c |
30380317939212 has 24 divisors (see below), whose sum is σ = 75057256085616. Its totient is φ = 9531080137728.
The previous prime is 30380317939207. The next prime is 30380317939247. The reversal of 30380317939212 is 21293971308303.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74461563373 + ... + 74461563780.
It is an arithmetic number, because the mean of its divisors is an integer number (3127385670234).
Almost surely, 230380317939212 is an apocalyptic number.
It is an amenable number.
30380317939212 is an abundant number, since it is smaller than the sum of its proper divisors (44676938146404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30380317939212 is a wasteful number, since it uses less digits than its factorization.
30380317939212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148923127177 (or 148923127175 counting only the distinct ones).
The product of its (nonzero) digits is 1469664, while the sum is 51.
The spelling of 30380317939212 in words is "thirty trillion, three hundred eighty billion, three hundred seventeen million, nine hundred thirty-nine thousand, two hundred twelve".
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