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1330580081 is a prime number
BaseRepresentation
bin100111101001111…
…0000101001110001
310102201201110201202
41033103300221301
510211112030311
6340010540545
744654513135
oct11723605161
93381643652
101330580081
11623094566
12311737755
13182883cbc
14c8a013c5
157bc30e3b
hex4f4f0a71

1330580081 has 2 divisors, whose sum is σ = 1330580082. Its totient is φ = 1330580080.

The previous prime is 1330580077. The next prime is 1330580087. The reversal of 1330580081 is 1800850331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1309281856 + 21298225 = 36184^2 + 4615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330580081 - 22 = 1330580077 is a prime.

It is a super-2 number, since 2×13305800812 = 3540886703907933122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1330580087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665290040 + 665290041.

It is an arithmetic number, because the mean of its divisors is an integer number (665290041).

Almost surely, 21330580081 is an apocalyptic number.

It is an amenable number.

1330580081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330580081 is an equidigital number, since it uses as much as digits as its factorization.

1330580081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1330580081 is about 36477.1172243641. The cubic root of 1330580081 is about 1099.8843076672.

The spelling of 1330580081 in words is "one billion, three hundred thirty million, five hundred eighty thousand, eighty-one".