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131350123235125 = 531050800985881
BaseRepresentation
bin11101110111011001010101…
…011011111100011100110101
3122020001221121221001220102201
4131313121111123330130311
5114204020023022011000
61143205225200304501
736444506333643034
oct3567312533743465
9566057557056381
10131350123235125
1138941302303883
121289464a612131
13583a356b09922
14246154659671b
15102bab8aa796a
hex7776556fc735

131350123235125 has 8 divisors (see below), whose sum is σ = 163924953797592. Its totient is φ = 105080098588000.

The previous prime is 131350123235119. The next prime is 131350123235167. The reversal of 131350123235125 is 521532321053131.

It can be written as a sum of positive squares in 4 ways, for example, as 298708157764 + 131051415077361 = 546542^2 + 11447769^2 .

It is not a de Polignac number, because 131350123235125 - 239 = 130800367421237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525400492816 + ... + 525400493065.

It is an arithmetic number, because the mean of its divisors is an integer number (20490619224699).

Almost surely, 2131350123235125 is an apocalyptic number.

It is an amenable number.

131350123235125 is a deficient number, since it is larger than the sum of its proper divisors (32574830562467).

131350123235125 is an equidigital number, since it uses as much as digits as its factorization.

131350123235125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050800985896 (or 1050800985886 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 131350123235125 its reverse (521532321053131), we get a palindrome (652882444288256).

The spelling of 131350123235125 in words is "one hundred thirty-one trillion, three hundred fifty billion, one hundred twenty-three million, two hundred thirty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1050800985881 5254004929405 26270024647025 131350123235125