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130440525425 = 5273678532381
BaseRepresentation
bin111100101111011011…
…1000111011001110001
3110110200121212020220022
41321132313013121301
54114120233303200
6135531253053225
712265303113020
oct1713667073161
9413617766808
10130440525425
1150357304431
1221344327215
13c3ba234b72
146455bbc8b7
1535d687e885
hex1e5edc7671

130440525425 has 48 divisors (see below), whose sum is σ = 185651784192. Its totient is φ = 89059219200.

The previous prime is 130440525403. The next prime is 130440525433. The reversal of 130440525425 is 524525044031.

It is not a de Polignac number, because 130440525425 - 28 = 130440525169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 47 ways as a sum of consecutive naturals, for example, 54782735 + ... + 54785115.

It is an arithmetic number, because the mean of its divisors is an integer number (3867745504).

Almost surely, 2130440525425 is an apocalyptic number.

It is an amenable number.

130440525425 is a deficient number, since it is larger than the sum of its proper divisors (55211258767).

130440525425 is a wasteful number, since it uses less digits than its factorization.

130440525425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 130440525425 its reverse (524525044031), we get a palindrome (654965569456).

The spelling of 130440525425 in words is "one hundred thirty billion, four hundred forty million, five hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 367 853 1835 2381 2569 4265 5971 9175 11905 12845 16667 21325 29855 59525 64225 83335 149275 313051 416675 873827 1565255 2030993 2191357 4369135 6116789 7826275 10154965 10956785 14216951 21845675 30583945 50774825 54783925 71084755 152919725 355423775 745374431 3726872155 5217621017 18634360775 26088105085 130440525425