Base | Representation |
---|---|
bin | 1011100101000000100001… |
… | …1111010010010001101101 |
3 | 1200002000110020111020202212 |
4 | 2321100020133102101231 |
5 | 3132033402411000042 |
6 | 43024135435100205 |
7 | 2452512545130125 |
oct | 271201037222155 |
9 | 50060406436685 |
10 | 12730425484397 |
11 | 4068a41339225 |
12 | 15172a98a1665 |
13 | 714621416a1a |
14 | 320227a47c85 |
15 | 17123314b482 |
hex | b94087d246d |
12730425484397 has 2 divisors, whose sum is σ = 12730425484398. Its totient is φ = 12730425484396.
The previous prime is 12730425484307. The next prime is 12730425484463. The reversal of 12730425484397 is 79348452403721.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9872547327721 + 2857878156676 = 3142061^2 + 1690526^2 .
It is a cyclic number.
It is not a de Polignac number, because 12730425484397 - 232 = 12726130517101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12730425484307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365212742198 + 6365212742199.
It is an arithmetic number, because the mean of its divisors is an integer number (6365212742199).
Almost surely, 212730425484397 is an apocalyptic number.
It is an amenable number.
12730425484397 is a deficient number, since it is larger than the sum of its proper divisors (1).
12730425484397 is an equidigital number, since it uses as much as digits as its factorization.
12730425484397 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40642560, while the sum is 59.
The spelling of 12730425484397 in words is "twelve trillion, seven hundred thirty billion, four hundred twenty-five million, four hundred eighty-four thousand, three hundred ninety-seven".
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