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131202212034244 = 221313718416930381
BaseRepresentation
bin11101110101001111100101…
…001111011111011011000100
3122012112210211202001101021111
4131311033211033133123010
5114144104112240043434
61143013244130054404
736431022060325111
oct3565174517373304
9565483752041244
10131202212034244
113889460029339a
121286ba4b41a404
135829414225ca0
1424583143b7908
151027d0d57b964
hex7753e53df6c4

131202212034244 has 24 divisors (see below), whose sum is σ = 249070566486168. Its totient is φ = 60112860760320.

The previous prime is 131202212034209. The next prime is 131202212034317. The reversal of 131202212034244 is 442430212202131.

It can be written as a sum of positive squares in 4 ways, for example, as 9724605664900 + 121477606369344 = 3118430^2 + 11021688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9208458067 + ... + 9208472314.

It is an arithmetic number, because the mean of its divisors is an integer number (10377940270257).

Almost surely, 2131202212034244 is an apocalyptic number.

It is an amenable number.

131202212034244 is a deficient number, since it is larger than the sum of its proper divisors (117868354451924).

131202212034244 is a wasteful number, since it uses less digits than its factorization.

131202212034244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416930535 (or 18416930533 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 131202212034244 its reverse (442430212202131), we get a palindrome (573632424236375).

The spelling of 131202212034244 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twelve million, thirty-four thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 137 274 548 1781 3562 7124 18416930381 36833860762 73667721524 239420094953 478840189906 957680379812 2523119462197 5046238924394 10092477848788 32800553008561 65601106017122 131202212034244