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131202201212409 = 3391071118318129
BaseRepresentation
bin11101110101001111100100…
…100110001101010111111001
3122012112210210222200120111210
4131311033210212031113321
5114144104102002244114
61143013243102113333
736431021566333425
oct3565174446152771
9565483728616453
10131202201212409
11388945a5171828
121286ba4787b849
135829411c07332
142458312b9bb85
151027d0c640259
hex7753e498d5f9

131202201212409 has 8 divisors (see below), whose sum is σ = 174940741712160. Its totient is φ = 87465897427136.

The previous prime is 131202201212399. The next prime is 131202201212417. The reversal of 131202201212409 is 904212102202131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131202201212409 - 24 = 131202201212393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202201212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559041744 + ... + 559276385.

It is an arithmetic number, because the mean of its divisors is an integer number (21867592714020).

Almost surely, 2131202201212409 is an apocalyptic number.

It is an amenable number.

131202201212409 is a deficient number, since it is larger than the sum of its proper divisors (43738540499751).

131202201212409 is a wasteful number, since it uses less digits than its factorization.

131202201212409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118357239.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 131202201212409 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred one million, two hundred twelve thousand, four hundred nine".

Divisors: 1 3 39107 117321 1118318129 3354954387 43734067070803 131202201212409