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9528871350769 = 312995772
BaseRepresentation
bin1000101010101001110011…
…1111011111000111110001
31020201221200102120010021121
42022222130333133013301
52222110112031211034
632133300355022241
72002303213036141
oct212523477370761
936657612503247
109528871350769
1130441985077a1
12109a91389a981
13541751600974
1424d2b24b8921
15117d03ce41b4
hex8aa9cfdf1f1

9528871350769 has 9 divisors (see below), whose sum is σ = 9846268757451. Its totient is φ = 9221395797360.

The previous prime is 9528871350743. The next prime is 9528871350821. The reversal of 9528871350769 is 9670531788259.

The square root of 9528871350769 is 3086887.

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., 8025520714225 + 1503350636544 = 2832935^2 + 1226112^2 .

It is not a de Polignac number, because 9528871350769 - 211 = 9528871348721 is a prime.

It is a super-2 number, since 2×95288713507692 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9528871350698 and 9528871350707.

It is not an unprimeable number, because it can be changed into a prime (9528871320769) 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, 95643709 + ... + 95743285.

It is an arithmetic number, because the mean of its divisors is an integer number (1094029861939).

Almost surely, 29528871350769 is an apocalyptic number.

9528871350769 is the 3086887-th square number.

9528871350769 is the 1543444-th centered octagonal number.

It is an amenable number.

9528871350769 is a deficient number, since it is larger than the sum of its proper divisors (317397406682).

9528871350769 is an frugal number, since it uses more digits than its factorization.

9528871350769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199216 (or 99608 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 70.

The spelling of 9528871350769 in words is "nine trillion, five hundred twenty-eight billion, eight hundred seventy-one million, three hundred fifty thousand, seven hundred sixty-nine".

Divisors: 1 31 961 99577 3086887 95693497 9915578929 307382946799 9528871350769