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130633513 = 612141533
BaseRepresentation
bin1111100100101…
…00111100101001
3100002210212111021
413302110330221
5231420233023
620543532441
73144236503
oct762247451
9302725437
10130633513
116781498a
12378ba121
13210aac4a
14134c6d73
15b70635d
hex7c94f29

130633513 has 4 divisors (see below), whose sum is σ = 132775108. Its totient is φ = 128491920.

The previous prime is 130633483. The next prime is 130633523. The reversal of 130633513 is 315336031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315336031 = 1783176857.

It can be written as a sum of positive squares in 2 ways, for example, as 22202944 + 108430569 = 4712^2 + 10413^2 .

It is a cyclic number.

It is not a de Polignac number, because 130633513 - 221 = 128536361 is a prime.

It is a super-2 number, since 2×1306335132 = 34130229437442338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130633523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070706 + ... + 1070827.

It is an arithmetic number, because the mean of its divisors is an integer number (33193777).

Almost surely, 2130633513 is an apocalyptic number.

It is an amenable number.

130633513 is a deficient number, since it is larger than the sum of its proper divisors (2141595).

130633513 is an equidigital number, since it uses as much as digits as its factorization.

130633513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141594.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 130633513 is about 11429.5018701604. The cubic root of 130633513 is about 507.4012530015.

Adding to 130633513 its reverse (315336031), we get a palindrome (445969544).

The spelling of 130633513 in words is "one hundred thirty million, six hundred thirty-three thousand, five hundred thirteen".

Divisors: 1 61 2141533 130633513