Base | Representation |
---|---|
bin | 10001101011010010000… |
… | …101000101111001001001 |
3 | 11022010100220101011020201 |
4 | 101223102011011321021 |
5 | 124400204030441224 |
6 | 2330010010452201 |
7 | 153521346632350 |
oct | 21532205057111 |
9 | 4263326334221 |
10 | 1214705327689 |
11 | 429176543477 |
12 | 177502434061 |
13 | 8a71407cc39 |
14 | 42b13564997 |
15 | 218e5be4a44 |
hex | 11ad2145e49 |
1214705327689 has 16 divisors (see below), whose sum is σ = 1402701753600. Its totient is φ = 1030328054784.
The previous prime is 1214705327681. The next prime is 1214705327701. The reversal of 1214705327689 is 9867235074121.
It is not a de Polignac number, because 1214705327689 - 23 = 1214705327681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1214705327681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341877 + ... + 6530605.
It is an arithmetic number, because the mean of its divisors is an integer number (87668859600).
It is a 2-persistent number, because it is pandigital, and so is 2⋅1214705327689 = 2429410655378, but 3⋅1214705327689 = 3644115983067 is not.
Almost surely, 21214705327689 is an apocalyptic number.
It is an amenable number.
1214705327689 is a deficient number, since it is larger than the sum of its proper divisors (187996425911).
1214705327689 is an equidigital number, since it uses as much as digits as its factorization.
1214705327689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198312.
The product of its (nonzero) digits is 5080320, while the sum is 55.
The spelling of 1214705327689 in words is "one trillion, two hundred fourteen billion, seven hundred five million, three hundred twenty-seven thousand, six hundred eighty-nine".
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