Base | Representation |
---|---|
bin | 1011100011100000010101… |
… | …1110001101000001000111 |
3 | 1122222112210202211001111222 |
4 | 2320320011132031001013 |
5 | 3131123012344042122 |
6 | 43004225345550555 |
7 | 2450606646156242 |
oct | 270700536150107 |
9 | 48875722731458 |
10 | 12704605065287 |
11 | 4058aa1395183 |
12 | 15122a264545b |
13 | 712067c2b515 |
14 | 31cc9873c259 |
15 | 17072141bb42 |
hex | b8e0578d047 |
12704605065287 has 2 divisors, whose sum is σ = 12704605065288. Its totient is φ = 12704605065286.
The previous prime is 12704605065221. The next prime is 12704605065487. The reversal of 12704605065287 is 78256050640721.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12704605065287 - 224 = 12704588288071 is a prime.
It is a super-2 number, since 2×127046050652872 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12704605065487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352302532643 + 6352302532644.
It is an arithmetic number, because the mean of its divisors is an integer number (6352302532644).
Almost surely, 212704605065287 is an apocalyptic number.
12704605065287 is a deficient number, since it is larger than the sum of its proper divisors (1).
12704605065287 is an equidigital number, since it uses as much as digits as its factorization.
12704605065287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5644800, while the sum is 53.
The spelling of 12704605065287 in words is "twelve trillion, seven hundred four billion, six hundred five million, sixty-five thousand, two hundred eighty-seven".
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