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9689115648032 = 2517109163402517
BaseRepresentation
bin1000110011111110110001…
…0010111110000000100000
31021022021022010110212010022
42030333230102332000200
52232221302101214112
632335041314253012
72020005214063232
oct214775422760040
937267263425108
109689115648032
1130a6149209017
121105995287168
135538ab364382
14256d54622252
1511c081e3ad72
hex8cfec4be020

9689115648032 has 48 divisors (see below), whose sum is σ = 20382830095320. Its totient is φ = 4517752762368.

The previous prime is 9689115648011. The next prime is 9689115648071. The reversal of 9689115648032 is 2308465119869.

It can be written as a sum of positive squares in 4 ways, for example, as 9635089153936 + 54026494096 = 3104044^2 + 232436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81641963 + ... + 81760554.

Almost surely, 29689115648032 is an apocalyptic number.

It is an amenable number.

9689115648032 is an abundant number, since it is smaller than the sum of its proper divisors (10693714447288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9689115648032 is a wasteful number, since it uses less digits than its factorization.

9689115648032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163402653 (or 163402645 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 9689115648032 in words is "nine trillion, six hundred eighty-nine billion, one hundred fifteen million, six hundred forty-eight thousand, thirty-two".

Divisors: 1 2 4 8 16 17 32 34 68 109 136 218 272 436 544 872 1744 1853 3488 3706 7412 14824 29648 59296 163402517 326805034 653610068 1307220136 2614440272 2777842789 5228880544 5555685578 11111371156 17810874353 22222742312 35621748706 44445484624 71243497412 88890969248 142486994824 284973989648 302784864001 569947979296 605569728002 1211139456004 2422278912008 4844557824016 9689115648032