Base | Representation |
---|---|
bin | 1110010001001010… |
… | …11110000100011101 |
3 | 201202212002011011221 |
4 | 13020211132010131 |
5 | 111142004423424 |
6 | 3304041213341 |
7 | 360553622533 |
oct | 71045360435 |
9 | 21685064157 |
10 | 7660232989 |
11 | 3281002472 |
12 | 1599491251 |
13 | 951030856 |
14 | 529502153 |
15 | 2ec7839e4 |
hex | 1c895e11d |
7660232989 has 2 divisors, whose sum is σ = 7660232990. Its totient is φ = 7660232988.
The previous prime is 7660232981. The next prime is 7660232999. The reversal of 7660232989 is 9892320667.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7110705625 + 549527364 = 84325^2 + 23442^2 .
It is a cyclic number.
It is not a de Polignac number, because 7660232989 - 23 = 7660232981 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7660232981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3830116494 + 3830116495.
It is an arithmetic number, because the mean of its divisors is an integer number (3830116495).
Almost surely, 27660232989 is an apocalyptic number.
It is an amenable number.
7660232989 is a deficient number, since it is larger than the sum of its proper divisors (1).
7660232989 is an equidigital number, since it uses as much as digits as its factorization.
7660232989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1959552, while the sum is 52.
The square root of 7660232989 is about 87522.7569778283. The cubic root of 7660232989 is about 1971.2755092723.
The spelling of 7660232989 in words is "seven billion, six hundred sixty million, two hundred thirty-two thousand, nine hundred eighty-nine".
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