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130431440033 = 177672437649
BaseRepresentation
bin111100101111001010…
…0011101010010100001
3110110122222202200002022
41321132110131102201
54114110422040113
6135530330231225
712265132643006
oct1713624352241
9413588680068
10130431440033
1150352169444
1221341285515
13c3b83a36ab
1464548d58ad
1535d5b87908
hex1e5e51d4a1

130431440033 has 4 divisors (see below), whose sum is σ = 138103877700. Its totient is φ = 122759002368.

The previous prime is 130431440023. The next prime is 130431440089. The reversal of 130431440033 is 330044134031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330044134031 = 379638693837.

It can be written as a sum of positive squares in 2 ways, for example, as 56388676369 + 74042763664 = 237463^2 + 272108^2 .

It is a cyclic number.

It is not a de Polignac number, because 130431440033 - 210 = 130431439009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130431439984 and 130431440011.

It is not an unprimeable number, because it can be changed into a prime (130431440023) by changing a digit.

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, 3836218808 + ... + 3836218841.

It is an arithmetic number, because the mean of its divisors is an integer number (34525969425).

Almost surely, 2130431440033 is an apocalyptic number.

It is an amenable number.

130431440033 is a deficient number, since it is larger than the sum of its proper divisors (7672437667).

130431440033 is an equidigital number, since it uses as much as digits as its factorization.

130431440033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672437666.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 130431440033 its reverse (330044134031), we get a palindrome (460475574064).

The spelling of 130431440033 in words is "one hundred thirty billion, four hundred thirty-one million, four hundred forty thousand, thirty-three".

Divisors: 1 17 7672437649 130431440033