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6492643892 = 2271190919471
BaseRepresentation
bin1100000101111110…
…11110001000110100
3121202111001111001022
412002333132020310
5101244104101032
62552131520312
7316615363640
oct60277361064
917674044038
106492643892
112831a234a9
121312459098
137c6176827
1445840bc20
1527eeeb512
hex182fde234

6492643892 has 24 divisors (see below), whose sum is σ = 12987045120. Its totient is φ = 2782185120.

The previous prime is 6492643891. The next prime is 6492643951. The reversal of 6492643892 is 2983462946.

It is a Smith number, since the sum of its digits (53) 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 (6492643891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323717 + ... + 343187.

It is an arithmetic number, because the mean of its divisors is an integer number (541126880).

Almost surely, 26492643892 is an apocalyptic number.

It is an amenable number.

6492643892 is an abundant number, since it is smaller than the sum of its proper divisors (6494401228).

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

6492643892 is a wasteful number, since it uses less digits than its factorization.

6492643892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391 (or 31389 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The square root of 6492643892 is about 80576.9439231844. The cubic root of 6492643892 is about 1865.5512932962.

The spelling of 6492643892 in words is "six billion, four hundred ninety-two million, six hundred forty-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 11909 19471 23818 38942 47636 77884 83363 136297 166726 272594 333452 545188 231880139 463760278 927520556 1623160973 3246321946 6492643892