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868868666882 = 21273420742783
BaseRepresentation
bin11001010010011001001…
…10111011011000000010
310002001200221200111120122
430221030212323120002
5103213420334320012
61503052554540242
7116526242545256
oct14511446733002
93061627614518
10868868666882
11305537790517
12120486437682
1363c1abc2638
14300a6a04266
151790442ce72
hexca4c9bb602

868868666882 has 8 divisors (see below), whose sum is σ = 1313565229056. Its totient is φ = 431013590532.

The previous prime is 868868666879. The next prime is 868868666951. The reversal of 868868666882 is 288666868868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 868868666797 and 868868666806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710371138 + ... + 1710371645.

It is an arithmetic number, because the mean of its divisors is an integer number (164195653632).

Almost surely, 2868868666882 is an apocalyptic number.

868868666882 is a deficient number, since it is larger than the sum of its proper divisors (444696562174).

868868666882 is a wasteful number, since it uses less digits than its factorization.

868868666882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420742912.

The product of its digits is 4076863488, while the sum is 80.

The spelling of 868868666882 in words is "eight hundred sixty-eight billion, eight hundred sixty-eight million, six hundred sixty-six thousand, eight hundred eighty-two".

Divisors: 1 2 127 254 3420742783 6841485566 434434333441 868868666882