Base | Representation |
---|---|
bin | 1101101100101100011101… |
… | …10010000011001101010111 |
3 | 10221122201201202000122221112 |
4 | 12312112032302003031113 |
5 | 12422013401242204423 |
6 | 144022152104205235 |
7 | 6226213022640203 |
oct | 666261662031527 |
9 | 127581652018845 |
10 | 30123001131863 |
11 | 9664102919a42 |
12 | 346605816981b |
13 | 13a6782316093 |
14 | 761d65111b03 |
15 | 37387d498a78 |
hex | 1b658ec83357 |
30123001131863 has 2 divisors, whose sum is σ = 30123001131864. Its totient is φ = 30123001131862.
The previous prime is 30123001131851. The next prime is 30123001131877. The reversal of 30123001131863 is 36813110032103.
It is a weak prime.
It is an emirp because it is prime and its reverse (36813110032103) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30123001131863 - 28 = 30123001131607 is a prime.
It is a super-2 number, since 2×301230011318632 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30123001131823) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061500565931 + 15061500565932.
It is an arithmetic number, because the mean of its divisors is an integer number (15061500565932).
Almost surely, 230123001131863 is an apocalyptic number.
30123001131863 is a deficient number, since it is larger than the sum of its proper divisors (1).
30123001131863 is an equidigital number, since it uses as much as digits as its factorization.
30123001131863 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 32.
Adding to 30123001131863 its reverse (36813110032103), we get a palindrome (66936111163966).
The spelling of 30123001131863 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred sixty-three".
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