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130288801 = 131994571
BaseRepresentation
bin1111100010000…
…00110010100001
3100002011100122011
413301000302201
5231323220201
620532312521
73141302506
oct761006241
9302140564
10130288801
11675a99a5
1237772741
1320cba086
14134374ad
15b689151
hex7c40ca1

130288801 has 4 divisors (see below), whose sum is σ = 131283504. Its totient is φ = 129294100.

The previous prime is 130288783. The next prime is 130288811. The reversal of 130288801 is 108882031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130288801 - 213 = 130280609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130288811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497155 + ... + 497416.

It is an arithmetic number, because the mean of its divisors is an integer number (32820876).

Almost surely, 2130288801 is an apocalyptic number.

It is an amenable number.

130288801 is a deficient number, since it is larger than the sum of its proper divisors (994703).

130288801 is an equidigital number, since it uses as much as digits as its factorization.

130288801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994702.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 130288801 is about 11414.4119866071. The cubic root of 130288801 is about 506.9545545256.

The spelling of 130288801 in words is "one hundred thirty million, two hundred eighty-eight thousand, eight hundred one".

Divisors: 1 131 994571 130288801