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6040664261 is a prime number
BaseRepresentation
bin1011010000000110…
…10011100011000101
3120120222120112112222
411220003103203011
544332402224021
62435224222125
7302456541032
oct55003234305
916528515488
106040664261
11261a885515
12120700a945
13753635a68
14414396389
152554bb6ab
hex1680d38c5

6040664261 has 2 divisors, whose sum is σ = 6040664262. Its totient is φ = 6040664260.

The previous prime is 6040664251. The next prime is 6040664291. The reversal of 6040664261 is 1624660406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3072484900 + 2968179361 = 55430^2 + 54481^2 .

It is a cyclic number.

It is not a de Polignac number, because 6040664261 - 26 = 6040664197 is a prime.

It is a super-2 number, since 2×60406642612 = 72979249428245352242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6040664251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3020332130 + 3020332131.

It is an arithmetic number, because the mean of its divisors is an integer number (3020332131).

Almost surely, 26040664261 is an apocalyptic number.

It is an amenable number.

6040664261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6040664261 is an equidigital number, since it uses as much as digits as its factorization.

6040664261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 6040664261 is about 77721.7103581747. The cubic root of 6040664261 is about 1821.2164573184.

The spelling of 6040664261 in words is "six billion, forty million, six hundred sixty-four thousand, two hundred sixty-one".