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131042515425 = 3521747233539
BaseRepresentation
bin111101000001010111…
…1100001100111100001
3110112020120121111221020
41322002233201213201
54121333340443200
6140111115520053
712316233000633
oct1720257414741
9415216544836
10131042515425
11506360a1428
1221491a59029
13c484b79473
1464b1b22a53
15361e641ea0
hex1e82be19e1

131042515425 has 12 divisors (see below), whose sum is σ = 216656958960. Its totient is φ = 69889341520.

The previous prime is 131042515411. The next prime is 131042515447. The reversal of 131042515425 is 524515240131.

It is not a de Polignac number, because 131042515425 - 224 = 131025738209 is a prime.

It is a super-2 number, since 2×1310425154252 (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 873616695 + ... + 873616844.

It is an arithmetic number, because the mean of its divisors is an integer number (18054746580).

Almost surely, 2131042515425 is an apocalyptic number.

131042515425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131042515425 is a deficient number, since it is larger than the sum of its proper divisors (85614443535).

131042515425 is a wasteful number, since it uses less digits than its factorization.

131042515425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747233552 (or 1747233547 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 131042515425 its reverse (524515240131), we get a palindrome (655557755556).

The spelling of 131042515425 in words is "one hundred thirty-one billion, forty-two million, five hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 1747233539 5241700617 8736167695 26208503085 43680838475 131042515425