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6491135130 = 235216371171
BaseRepresentation
bin1100000101110011…
…01101110010011010
3121202101012211102020
412002321231302122
5101243212311010
62552035315310
7316566511134
oct60271556232
917671184366
106491135130
112831092997
121311a4bb36
137c5a68b7c
14458138054
1527ecee470
hex182e6dc9a

6491135130 has 16 divisors (see below), whose sum is σ = 15578724384. Its totient is φ = 1730969360.

The previous prime is 6491135113. The next prime is 6491135137. The reversal of 6491135130 is 315311946.

It is a junction number, because it is equal to n+sod(n) for n = 6491135091 and 6491135100.

It is not an unprimeable number, because it can be changed into a prime (6491135137) 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, 108185556 + ... + 108185615.

It is an arithmetic number, because the mean of its divisors is an integer number (973670274).

Almost surely, 26491135130 is an apocalyptic number.

6491135130 is an abundant number, since it is smaller than the sum of its proper divisors (9087589254).

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

6491135130 is a wasteful number, since it uses less digits than its factorization.

6491135130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216371181.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 6491135130 is about 80567.5811353425. The cubic root of 6491135130 is about 1865.4067763629.

The spelling of 6491135130 in words is "six billion, four hundred ninety-one million, one hundred thirty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 216371171 432742342 649113513 1081855855 1298227026 2163711710 3245567565 6491135130