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6667025441 = 29449512021
BaseRepresentation
bin1100011010110001…
…01011110000100001
3122012122011222120012
412031120223300201
5102123224303231
63021321254305
7324133531646
oct61530536041
918178158505
106667025441
1129113a898a
121360934395
1382333128b
14473641dcd
15290494e2b
hex18d62bc21

6667025441 has 8 divisors (see below), whose sum is σ = 6912297000. Its totient is φ = 6422778880.

The previous prime is 6667025423. The next prime is 6667025471. The reversal of 6667025441 is 1445207666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2957728225 + 3709297216 = 54385^2 + 60904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6667025441 - 218 = 6666763297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6667025411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242990 + ... + 269031.

It is an arithmetic number, because the mean of its divisors is an integer number (864037125).

Almost surely, 26667025441 is an apocalyptic number.

It is an amenable number.

6667025441 is a deficient number, since it is larger than the sum of its proper divisors (245271559).

6667025441 is a wasteful number, since it uses less digits than its factorization.

6667025441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512499.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 6667025441 is about 81651.8550983381. The cubic root of 6667025441 is about 1882.1058191138.

The spelling of 6667025441 in words is "six billion, six hundred sixty-seven million, twenty-five thousand, four hundred forty-one".

Divisors: 1 29 449 13021 512021 14848609 229897429 6667025441