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125132520525 = 35216328193631
BaseRepresentation
bin111010010001001111…
…0101011110001001101
3102221222200220200001020
41310202132223301031
54022232411124100
6133252440104353
712016620606045
oct1644236536115
9387880820036
10125132520525
1149083055821
12203027650b9
13ba52634a6c
1460b0c62725
1533c58875a0
hex1d227abc4d

125132520525 has 48 divisors (see below), whose sum is σ = 208286192640. Its totient is φ = 66286123200.

The previous prime is 125132520523. The next prime is 125132520571. The reversal of 125132520525 is 525025231521.

It is not a de Polignac number, because 125132520525 - 21 = 125132520523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125132520523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34460460 + ... + 34464090.

It is an arithmetic number, because the mean of its divisors is an integer number (4339295680).

Almost surely, 2125132520525 is an apocalyptic number.

125132520525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125132520525 is a deficient number, since it is larger than the sum of its proper divisors (83153672115).

125132520525 is a wasteful number, since it uses less digits than its factorization.

125132520525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626 (or 6621 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 125132520525 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred twenty thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 163 489 815 2445 2819 3631 4075 8457 10893 12225 14095 18155 42285 54465 70475 90775 211425 272325 459497 591853 1378491 1775559 2297485 2959265 6892455 8877795 10235789 11487425 14796325 30707367 34462275 44388975 51178945 153536835 255894725 767684175 1668433607 5005300821 8342168035 25026504105 41710840175 125132520525