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1530661130 = 25179003889
BaseRepresentation
bin101101100111100…
…0000100100001010
310221200012122022222
41123033000210022
511113322124010
6411515214042
752634255615
oct13317004412
93850178288
101530661130
117160223a9
12368747322
131b516915b
1410740517c
158e5a4355
hex5b3c090a

1530661130 has 16 divisors (see below), whose sum is σ = 2917260360. Its totient is φ = 576248832.

The previous prime is 1530661129. The next prime is 1530661141. The reversal of 1530661130 is 311660351.

It can be written as a sum of positive squares in 4 ways, for example, as 1454430769 + 76230361 = 38137^2 + 8731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1530661130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501775 + ... + 4502114.

Almost surely, 21530661130 is an apocalyptic number.

1530661130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530661130 is a deficient number, since it is larger than the sum of its proper divisors (1386599230).

1530661130 is a wasteful number, since it uses less digits than its factorization.

1530661130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003913.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1530661130 is about 39123.6645778485. The cubic root of 1530661130 is about 1152.4613018189.

The spelling of 1530661130 in words is "one billion, five hundred thirty million, six hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 9003889 18007778 45019445 90038890 153066113 306132226 765330565 1530661130