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130013043442 = 2143345363937
BaseRepresentation
bin111100100010101100…
…0011001101011110010
3110102120211110220212021
41321011120121223302
54112231314342232
6135421022422054
712251562430612
oct1710530315362
9412524426767
10130013043442
1150157a78937
122124513192a
13c34c7c0749
146415102a42
1535ae08d397
hex1e45619af2

130013043442 has 8 divisors (see below), whose sum is σ = 195155661276. Its totient is φ = 64961156352.

The previous prime is 130013043427. The next prime is 130013043451. The reversal of 130013043442 is 244340310031.

It can be written as a sum of positive squares in 2 ways, for example, as 129894647281 + 118396161 = 360409^2 + 10881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 22679103 + ... + 22684834.

Almost surely, 2130013043442 is an apocalyptic number.

130013043442 is a deficient number, since it is larger than the sum of its proper divisors (65142617834).

130013043442 is a wasteful number, since it uses less digits than its factorization.

130013043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45365372.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 130013043442 its reverse (244340310031), we get a palindrome (374353353473).

The spelling of 130013043442 in words is "one hundred thirty billion, thirteen million, forty-three thousand, four hundred forty-two".

Divisors: 1 2 1433 2866 45363937 90727874 65006521721 130013043442