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130132801 = 472768783
BaseRepresentation
bin1111100000110…
…10101101000001
3100001212102122101
413300122231001
5231303222201
620525110401
73140052631
oct760325501
9301772571
10130132801
1167502777
12376b8401
1320c64076
14133d66c1
15b657d01
hex7c1ab41

130132801 has 4 divisors (see below), whose sum is σ = 132901632. Its totient is φ = 127363972.

The previous prime is 130132799. The next prime is 130132813. The reversal of 130132801 is 108231031.

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 130132801 - 21 = 130132799 is a prime.

It is a super-2 number, since 2×1301328012 = 33869091792211202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130135801) 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 3 ways as a sum of consecutive naturals, for example, 1384345 + ... + 1384438.

It is an arithmetic number, because the mean of its divisors is an integer number (33225408).

Almost surely, 2130132801 is an apocalyptic number.

It is an amenable number.

130132801 is a deficient number, since it is larger than the sum of its proper divisors (2768831).

130132801 is an equidigital number, since it uses as much as digits as its factorization.

130132801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768830.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 130132801 is about 11407.5764735548. The cubic root of 130132801 is about 506.7521413872.

Adding to 130132801 its reverse (108231031), we get a palindrome (238363832).

The spelling of 130132801 in words is "one hundred thirty million, one hundred thirty-two thousand, eight hundred one".

Divisors: 1 47 2768783 130132801