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13011361169 = 20113646913
BaseRepresentation
bin11000001111000100…
…11001110110010001
31020120210011122001112
430013202121312101
5203121402024134
65551034343105
7640301513402
oct140742316621
936523148045
1013011361169
115577635254
12263158aa95
1312c484bca1
148b60859a9
155124481ce
hex307899d91

13011361169 has 4 divisors (see below), whose sum is σ = 13012028196. Its totient is φ = 13010694144.

The previous prime is 13011361151. The next prime is 13011361217. The reversal of 13011361169 is 96116311031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3183216400 + 9828144769 = 56420^2 + 99137^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011361169 - 28 = 13011360913 is a prime.

It is a super-2 number, since 2×130113611692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011361369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303344 + ... + 343569.

It is an arithmetic number, because the mean of its divisors is an integer number (3253007049).

Almost surely, 213011361169 is an apocalyptic number.

It is an amenable number.

13011361169 is a deficient number, since it is larger than the sum of its proper divisors (667027).

13011361169 is an equidigital number, since it uses as much as digits as its factorization.

13011361169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667026.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 13011361169 in words is "thirteen billion, eleven million, three hundred sixty-one thousand, one hundred sixty-nine".

Divisors: 1 20113 646913 13011361169