Base | Representation |
---|---|
bin | 1011100011100001110011… |
… | …1111010001110100110001 |
3 | 1122222120211021020002102222 |
4 | 2320320130333101310301 |
5 | 3131124314400033242 |
6 | 43004332442250425 |
7 | 2450622506565311 |
oct | 270703477216461 |
9 | 48876737202388 |
10 | 12704999611697 |
11 | 4059184075798 |
12 | 15123927b6a15 |
13 | 7120cb8b0733 |
14 | 31ccd4cc3441 |
15 | 170745da45d2 |
hex | b8e1cfd1d31 |
12704999611697 has 2 divisors, whose sum is σ = 12704999611698. Its totient is φ = 12704999611696.
The previous prime is 12704999611673. The next prime is 12704999611721. The reversal of 12704999611697 is 79611699940721.
It is a balanced prime because it is at equal distance from previous prime (12704999611673) and next prime (12704999611721).
It can be written as a sum of positive squares in only one way, i.e., 10345331885056 + 2359667726641 = 3216416^2 + 1536121^2 .
It is a cyclic number.
It is not a de Polignac number, because 12704999611697 - 210 = 12704999610673 is a prime.
It is a super-2 number, since 2×127049996116972 (a number of 27 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 12704999611697.
It is not a weakly prime, because it can be changed into another prime (12704999611637) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352499805848 + 6352499805849.
It is an arithmetic number, because the mean of its divisors is an integer number (6352499805849).
Almost surely, 212704999611697 is an apocalyptic number.
It is an amenable number.
12704999611697 is a deficient number, since it is larger than the sum of its proper divisors (1).
12704999611697 is an equidigital number, since it uses as much as digits as its factorization.
12704999611697 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 92588832, while the sum is 71.
The spelling of 12704999611697 in words is "twelve trillion, seven hundred four billion, nine hundred ninety-nine million, six hundred eleven thousand, six hundred ninety-seven".
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