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130300033 = 443294131
BaseRepresentation
bin1111100010000…
…11100010000001
3100002011221001011
413301003202001
5231324100113
620532440521
73141350323
oct761034201
9302157034
10130300033
1167607386
1237779141
1320cc2216
141343b613
15b68c63d
hex7c43881

130300033 has 4 divisors (see below), whose sum is σ = 130594608. Its totient is φ = 130005460.

The previous prime is 130300031. The next prime is 130300061. The reversal of 130300033 is 330003031.

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 130300033 - 21 = 130300031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130299986 and 130300022.

It is not an unprimeable number, because it can be changed into a prime (130300031) 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, 146623 + ... + 147508.

It is an arithmetic number, because the mean of its divisors is an integer number (32648652).

Almost surely, 2130300033 is an apocalyptic number.

It is an amenable number.

130300033 is a deficient number, since it is larger than the sum of its proper divisors (294575).

130300033 is an equidigital number, since it uses as much as digits as its factorization.

130300033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294574.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 130300033 is about 11414.9039855796. The cubic root of 130300033 is about 506.9691220349.

Adding to 130300033 its reverse (330003031), we get a palindrome (460303064).

The spelling of 130300033 in words is "one hundred thirty million, three hundred thousand, thirty-three".

Divisors: 1 443 294131 130300033