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130515512 = 2316314439
BaseRepresentation
bin1111100011110…
…00001000111000
3100002120212121212
413301320020320
5231402444022
620541222252
73143235461
oct761701070
9302525555
10130515512
1167744266
1237861988
132106931a
1413495d68
15b6d13e2
hex7c78238

130515512 has 8 divisors (see below), whose sum is σ = 244716600. Its totient is φ = 65257752.

The previous prime is 130515509. The next prime is 130515551. The reversal of 130515512 is 215515031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8157212 + ... + 8157227.

It is an arithmetic number, because the mean of its divisors is an integer number (30589575).

Almost surely, 2130515512 is an apocalyptic number.

It is an amenable number.

130515512 is a deficient number, since it is larger than the sum of its proper divisors (114201088).

130515512 is a wasteful number, since it uses less digits than its factorization.

130515512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16314445 (or 16314441 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 130515512 is about 11424.3385804168. The cubic root of 130515512 is about 507.2484287864.

The spelling of 130515512 in words is "one hundred thirty million, five hundred fifteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16314439 32628878 65257756 130515512