Base | Representation |
---|---|
bin | 100110100011010… |
… | …1110010010011001 |
3 | 10100011011002200201 |
4 | 1031012232102121 |
5 | 10122130424324 |
6 | 332210302201 |
7 | 44025326104 |
oct | 11506562231 |
9 | 3304132621 |
10 | 1293608089 |
11 | 6042319a4 |
12 | 301287961 |
13 | 17800a797 |
14 | c3b3973b |
15 | 7887b444 |
hex | 4d1ae499 |
1293608089 has 2 divisors, whose sum is σ = 1293608090. Its totient is φ = 1293608088.
The previous prime is 1293608039. The next prime is 1293608117. The reversal of 1293608089 is 9808063921.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1225000000 + 68608089 = 35000^2 + 8283^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1293608089 is a prime.
It is not a weakly prime, because it can be changed into another prime (1293608039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646804044 + 646804045.
It is an arithmetic number, because the mean of its divisors is an integer number (646804045).
Almost surely, 21293608089 is an apocalyptic number.
It is an amenable number.
1293608089 is a deficient number, since it is larger than the sum of its proper divisors (1).
1293608089 is an equidigital number, since it uses as much as digits as its factorization.
1293608089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 186624, while the sum is 46.
The square root of 1293608089 is about 35966.7636714787. The cubic root of 1293608089 is about 1089.6012033237.
The spelling of 1293608089 in words is "one billion, two hundred ninety-three million, six hundred eight thousand, eighty-nine".
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