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130545895 = 526109179
BaseRepresentation
bin1111100011111…
…11100011100111
3100002122102022011
413301333203213
5231404432040
620542015051
73143423164
oct761774347
9302572264
10130545895
1167765077
1237877487
132107a0bc
14134a306b
15b6da3ea
hex7c7f8e7

130545895 has 4 divisors (see below), whose sum is σ = 156655080. Its totient is φ = 104436712.

The previous prime is 130545889. The next prime is 130545901. The reversal of 130545895 is 598545031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130545889) and next prime (130545901).

It is a cyclic number.

It is not a de Polignac number, because 130545895 - 213 = 130537703 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13054585 + ... + 13054594.

It is an arithmetic number, because the mean of its divisors is an integer number (39163770).

Almost surely, 2130545895 is an apocalyptic number.

130545895 is a deficient number, since it is larger than the sum of its proper divisors (26109185).

130545895 is an equidigital number, since it uses as much as digits as its factorization.

130545895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26109184.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 130545895 is about 11425.6682517917. The cubic root of 130545895 is about 507.2877869005.

The spelling of 130545895 in words is "one hundred thirty million, five hundred forty-five thousand, eight hundred ninety-five".

Divisors: 1 5 26109179 130545895