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130440525426 = 2327246695857
BaseRepresentation
bin111100101111011011…
…1000111011001110010
3110110200121212020220100
41321132313013121302
54114120233303201
6135531253053230
712265303113021
oct1713667073162
9413617766810
10130440525426
1150357304432
1221344327216
13c3ba234b73
146455bbc8b8
1535d687e886
hex1e5edc7672

130440525426 has 12 divisors (see below), whose sum is σ = 282621138462. Its totient is φ = 43480175136.

The previous prime is 130440525403. The next prime is 130440525433. The reversal of 130440525426 is 624525044031.

It can be written as a sum of positive squares in only one way, i.e., 119922997401 + 10517528025 = 346299^2 + 102555^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3623347911 + ... + 3623347946.

Almost surely, 2130440525426 is an apocalyptic number.

130440525426 is an abundant number, since it is smaller than the sum of its proper divisors (152180613036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130440525426 is a wasteful number, since it uses less digits than its factorization.

130440525426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246695865 (or 7246695862 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 130440525426 its reverse (624525044031), we get a palindrome (754965569457).

The spelling of 130440525426 in words is "one hundred thirty billion, four hundred forty million, five hundred twenty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 7246695857 14493391714 21740087571 43480175142 65220262713 130440525426