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6888860688886 = 2112173181909091
BaseRepresentation
bin110010000111111000000…
…0110000010000111110110
3220101120100112201222222021
41210033300012002013312
51400331341314021021
622352410544223354
71310463250465051
oct144176006020766
926346315658867
106888860688886
1122166052a2a00
1293313560ab5a
133ac803095947
1419b5cb9dda98
15be2dd5a7c41
hex643f01821f6

6888860688886 has 48 divisors (see below), whose sum is σ = 11486861056944. Its totient is φ = 3095996904000.

The previous prime is 6888860688869. The next prime is 6888860688929.

It is a happy number.

6888860688886 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6888860688797 and 6888860688806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7123201 + ... + 8032291.

It is an arithmetic number, because the mean of its divisors is an integer number (239309605353).

Almost surely, 26888860688886 is an apocalyptic number.

6888860688886 is a deficient number, since it is larger than the sum of its proper divisors (4598000368058).

6888860688886 is a wasteful number, since it uses less digits than its factorization.

6888860688886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909469 (or 909458 counting only the distinct ones).

The product of its (nonzero) digits is 21743271936, while the sum is 88.

The spelling of 6888860688886 in words is "six trillion, eight hundred eighty-eight billion, eight hundred sixty million, six hundred eighty-eight thousand, eight hundred eighty-six".

Divisors: 1 2 11 22 121 173 181 242 346 362 1903 1991 3806 3982 20933 21901 31313 41866 43802 62626 344443 688886 909091 1818182 3788873 7577746 10000001 20000002 110000011 157272743 164545471 220000022 314545486 329090942 1730000173 1810000181 3460000346 3620000362 19030001903 19910001991 28466366483 38060003806 39820003982 56932732966 313130031313 626260062626 3444430344443 6888860688886