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7660232989 is a prime number
BaseRepresentation
bin1110010001001010…
…11110000100011101
3201202212002011011221
413020211132010131
5111142004423424
63304041213341
7360553622533
oct71045360435
921685064157
107660232989
113281002472
121599491251
13951030856
14529502153
152ec7839e4
hex1c895e11d

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".