Search a number
-
+
8769339148249 = 412722272
BaseRepresentation
bin111111110011100010101…
…0110000100011111011001
31011001100012022201111022001
41333213011112010133121
52122134101310220444
630352325004001001
71563364253611021
oct177470526043731
934040168644261
108769339148249
112881068373229
12b97681b30161
134b7c395c52b4
1422461c8d2a81
1510319d5e08d4
hex7f9c55847d9

8769339148249 has 9 divisors (see below), whose sum is σ = 8988566657311. Its totient is φ = 8555334375280.

The previous prime is 8769339148123. The next prime is 8769339148301. The reversal of 8769339148249 is 9428419339678.

The square root of 8769339148249 is 2961307.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 422555901849 + 8346783246400 = 650043^2 + 2889080^2 .

It is not a de Polignac number, because 8769339148249 - 219 = 8769338623961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8769339148849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 121377474 + ... + 121449700.

Almost surely, 28769339148249 is an apocalyptic number.

8769339148249 is the 2961307-th square number.

8769339148249 is the 1480654-th centered octagonal number.

It is an amenable number.

8769339148249 is a deficient number, since it is larger than the sum of its proper divisors (219227509062).

8769339148249 is an frugal number, since it uses more digits than its factorization.

8769339148249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144536 (or 72268 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 73.

The spelling of 8769339148249 in words is "eight trillion, seven hundred sixty-nine billion, three hundred thirty-nine million, one hundred forty-eight thousand, two hundred forty-nine".

Divisors: 1 41 1681 72227 2961307 121413587 5216739529 213886320689 8769339148249