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130443513 = 359212491
BaseRepresentation
bin1111100011001…
…10100011111001
3100002110012212020
413301212203321
5231343143023
620535505053
73142515534
oct761464371
9302405766
10130443513
11676a5162
1237828189
1321042615
1413477a1b
15b6b9de3
hex7c668f9

130443513 has 12 divisors (see below), whose sum is σ = 176936688. Its totient is φ = 85481560.

The previous prime is 130443487. The next prime is 130443517. The reversal of 130443513 is 315344031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-130443513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130443517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4198 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (14744724).

Almost surely, 2130443513 is an apocalyptic number.

It is an amenable number.

130443513 is a deficient number, since it is larger than the sum of its proper divisors (46493175).

130443513 is an equidigital number, since it uses as much as digits as its factorization.

130443513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12612 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 130443513 is about 11421.1870223721. The cubic root of 130443513 is about 507.1551369449.

Adding to 130443513 its reverse (315344031), we get a palindrome (445787544).

The spelling of 130443513 in words is "one hundred thirty million, four hundred forty-three thousand, five hundred thirteen".

Divisors: 1 3 59 177 3481 10443 12491 37473 736969 2210907 43481171 130443513