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916542865068 = 22376378572089
BaseRepresentation
bin11010101011001100011…
…01100011111010101100
310020121202110002200220120
431111212031203322230
5110004034433140233
61541015354244540
7123134533544565
oct15254615437254
93217673080816
10916542865068
1132378160a206
12129770426750
1368577b5506c
143250a4ab16c
1518c94a064b3
hexd566363eac

916542865068 has 12 divisors (see below), whose sum is σ = 2138600018520. Its totient is φ = 305514288352.

The previous prime is 916542865067. The next prime is 916542865099. The reversal of 916542865068 is 860568245619.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (916542865067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38189286033 + ... + 38189286056.

It is an arithmetic number, because the mean of its divisors is an integer number (178216668210).

Almost surely, 2916542865068 is an apocalyptic number.

It is an amenable number.

916542865068 is an abundant number, since it is smaller than the sum of its proper divisors (1222057153452).

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

916542865068 is a wasteful number, since it uses less digits than its factorization.

916542865068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76378572096 (or 76378572094 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 916542865068 in words is "nine hundred sixteen billion, five hundred forty-two million, eight hundred sixty-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 76378572089 152757144178 229135716267 305514288356 458271432534 916542865068