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6669199152 = 243571122277
BaseRepresentation
bin1100011011000001…
…11110011100110000
3122012210021102100000
412031200332130300
5102124303333102
63021440030000
7324161154210
oct61540763460
918183242300
106669199152
112912653040
121361602300
138239127b5
14473a4a240
1529077401c
hex18d83e730

6669199152 has 240 divisors, whose sum is σ = 24132955392. Its totient is φ = 1732181760.

The previous prime is 6669199123. The next prime is 6669199153. The reversal of 6669199152 is 2519919666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669199153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288238 + ... + 310514.

Almost surely, 26669199152 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 6669199152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12066477696).

6669199152 is an abundant number, since it is smaller than the sum of its proper divisors (17463756240).

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

6669199152 is a wasteful number, since it uses less digits than its factorization.

6669199152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318 (or 22300 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 6669199152 is about 81665.1648623818. The cubic root of 6669199152 is about 1882.3103435860.

The spelling of 6669199152 in words is "six billion, six hundred sixty-nine million, one hundred ninety-nine thousand, one hundred fifty-two".