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669677882886000 = 243253181389528403
BaseRepresentation
bin1001100001000100011000100…
…0010100101100011101110000
310020211010120200002100010002100
42120101012020110230131300
51200234000301004323000
610332141434452220400
7261025426140520602
oct23021061024543560
93224116602303070
10669677882886000
1118441a88247175a
126313808800a700
1322989479509611
14bb52822447172
155264cd2990a00
hex261118852c770

669677882886000 has 480 divisors, whose sum is σ = 2357934495658560. Its totient is φ = 177137259264000.

The previous prime is 669677882885989. The next prime is 669677882886007. The reversal of 669677882886000 is 688288776966.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669677882886007) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1267097799 + ... + 1267626201.

It is an arithmetic number, because the mean of its divisors is an integer number (4912363532622).

Almost surely, 2669677882886000 is an apocalyptic number.

669677882886000 is a gapful number since it is divisible by the number (60) 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 669677882886000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178967247829280).

669677882886000 is an abundant number, since it is smaller than the sum of its proper divisors (1688256612772560).

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

669677882886000 is a wasteful number, since it uses less digits than its factorization.

669677882886000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529002 (or 528983 counting only the distinct ones).

The product of its (nonzero) digits is 4682022912, while the sum is 81.

The spelling of 669677882886000 in words is "six hundred sixty-nine trillion, six hundred seventy-seven billion, eight hundred eighty-two million, eight hundred eighty-six thousand".