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131200011101312 = 271025000086729
BaseRepresentation
bin11101110101001101100010…
…000011100110010010000000
3122012112121011100121101212222
4131311031202003212102000
5114144040110320220222
61143012241504310212
736430613403602036
oct3565154203462200
9565477140541788
10131200011101312
113889368098695a
121286b536312368
135829153258aca
142458185d76556
151027c30228542
hex7753620e6480

131200011101312 has 16 divisors (see below), whose sum is σ = 261375022116150. Its totient is φ = 65600005550592.

The previous prime is 131200011101213. The next prime is 131200011101321. The reversal of 131200011101312 is 213101110002131.

It can be written as a sum of positive squares in only one way, i.e., 121485718467136 + 9714292634176 = 11022056^2 + 3116776^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512500043237 + ... + 512500043492.

Almost surely, 2131200011101312 is an apocalyptic number.

It is an amenable number.

131200011101312 is a deficient number, since it is larger than the sum of its proper divisors (130175011014838).

131200011101312 is an equidigital number, since it uses as much as digits as its factorization.

131200011101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025000086743 (or 1025000086731 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131200011101312 its reverse (213101110002131), we get a palindrome (344301121103443).

The spelling of 131200011101312 in words is "one hundred thirty-one trillion, two hundred billion, eleven million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 1025000086729 2050000173458 4100000346916 8200000693832 16400001387664 32800002775328 65600005550656 131200011101312