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968968968887 = 7313273547519
BaseRepresentation
bin11100001100110110000…
…11010001101010110111
310102122002010001201022102
432012123003101222313
5111333422024001022
62021045503452315
7130001645224403
oct16063303215267
93378063051272
10968968968887
11343a347a3a37
121379618b709b
13704b142017a
1434c810d4103
151a31237ba92
hexe19b0d1ab7

968968968887 has 4 divisors (see below), whose sum is σ = 982242516480. Its totient is φ = 955695421296.

The previous prime is 968968968883. The next prime is 968968968911. The reversal of 968968968887 is 788869869869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788869869869 = 7448910590421.

It is a cyclic number.

It is not a de Polignac number, because 968968968887 - 22 = 968968968883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 968968968796 and 968968968805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968968968883) 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, 6636773687 + ... + 6636773832.

It is an arithmetic number, because the mean of its divisors is an integer number (245560629120).

Almost surely, 2968968968887 is an apocalyptic number.

968968968887 is a deficient number, since it is larger than the sum of its proper divisors (13273547593).

968968968887 is a wasteful number, since it uses less digits than its factorization.

968968968887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13273547592.

The product of its digits is 36118462464, while the sum is 92.

The spelling of 968968968887 in words is "nine hundred sixty-eight billion, nine hundred sixty-eight million, nine hundred sixty-eight thousand, eight hundred eighty-seven".

Divisors: 1 73 13273547519 968968968887