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6669789048 = 23331359127317
BaseRepresentation
bin1100011011000110…
…01110011101111000
3122012211101101112000
412031203032131320
5102124431222143
63021500421000
7324166162056
oct61543163570
918184341460
106669789048
112912a1625a
121361847760
13823a8b150
14473b611d6
1529083dbd3
hex18d8ce778

6669789048 has 256 divisors, whose sum is σ = 20514816000. Its totient is φ = 1995259392.

The previous prime is 6669789047. The next prime is 6669789073. The reversal of 6669789048 is 8409879666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669789043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21040186 + ... + 21040502.

It is an arithmetic number, because the mean of its divisors is an integer number (80136000).

Almost surely, 26669789048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6669789048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10257408000).

6669789048 is an abundant number, since it is smaller than the sum of its proper divisors (13845026952).

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

6669789048 is a wasteful number, since it uses less digits than its factorization.

6669789048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The square root of 6669789048 is about 81668.7764571014. The cubic root of 6669789048 is about 1882.3658392350.

The spelling of 6669789048 in words is "six billion, six hundred sixty-nine million, seven hundred eighty-nine thousand, forty-eight".