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88886666668888 = 231119232283735423
BaseRepresentation
bin10100001101011110001010…
…001100010010101101011000
3102122201111000122000002221101
4110031132022030102231120
543122304343131401023
6513013545420321144
724502564314351634
oct2415361214225530
9378644018002841
1088886666668888
112635a695078160
129b769b89a31b4
133a79c90a7272a
1417d41cd8c1dc4
15a4222d5841ad
hex50d78a312b58

88886666668888 has 192 divisors, whose sum is σ = 200141717529600. Its totient is φ = 36598418461440.

The previous prime is 88886666668859. The next prime is 88886666668909.

88886666668888 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 88886666668793 and 88886666668802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2509274745 + ... + 2509310167.

It is an arithmetic number, because the mean of its divisors is an integer number (1042404778800).

It is a self-describing number.

Almost surely, 288886666668888 is an apocalyptic number.

88886666668888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88886666668888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100070858764800).

88886666668888 is an abundant number, since it is smaller than the sum of its proper divisors (111255050860712).

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

88886666668888 is a wasteful number, since it uses less digits than its factorization.

88886666668888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38342 (or 38315 counting only the distinct ones).

The product of its digits is 782757789696, while the sum is 100.

The spelling of 88886666668888 in words is "eighty-eight trillion, eight hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, eight hundred eighty-eight".