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130566505 = 535972739
BaseRepresentation
bin1111100100001…
…00100101101001
3100002200110120111
413302010211221
5231411112010
620542254321
73143540236
oct762044551
9302613514
10130566505
1167779603
12378873a1
13210865b4
14134aa78d
15b6e158a
hex7c84969

130566505 has 8 divisors (see below), whose sum is σ = 157118400. Its totient is φ = 104160816.

The previous prime is 130566503. The next prime is 130566547. The reversal of 130566505 is 505665031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130566505 - 21 = 130566503 is a prime.

It is a super-2 number, since 2×1305665052 = 34095224455830050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130566503) by changing a digit.

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, 34575 + ... + 38164.

It is an arithmetic number, because the mean of its divisors is an integer number (19639800).

Almost surely, 2130566505 is an apocalyptic number.

It is an amenable number.

130566505 is a deficient number, since it is larger than the sum of its proper divisors (26551895).

130566505 is an equidigital number, since it uses as much as digits as its factorization.

130566505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73103.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 130566505 is about 11426.5701328089. The cubic root of 130566505 is about 507.3144816021.

The spelling of 130566505 in words is "one hundred thirty million, five hundred sixty-six thousand, five hundred five".

Divisors: 1 5 359 1795 72739 363695 26113301 130566505