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13109294417 = 109517119701
BaseRepresentation
bin11000011010101111…
…11111010101010001
31020211121110011012212
430031113333111101
5203321434410132
610004453401505
7642601110152
oct141527772521
936747404185
1013109294417
115617944a1a
12265a339295
13130bc1ab5b
148c5099929
1551ad405b2
hex30d5ff551

13109294417 has 4 divisors (see below), whose sum is σ = 13109523636. Its totient is φ = 13109065200.

The previous prime is 13109294413. The next prime is 13109294431. The reversal of 13109294417 is 71449290131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7055832001 + 6053462416 = 83999^2 + 77804^2 .

It is a cyclic number.

It is not a de Polignac number, because 13109294417 - 22 = 13109294413 is a prime.

It is a super-2 number, since 2×131092944172 (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 (13109294413) 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, 49667 + ... + 169367.

It is an arithmetic number, because the mean of its divisors is an integer number (3277380909).

Almost surely, 213109294417 is an apocalyptic number.

It is an amenable number.

13109294417 is a deficient number, since it is larger than the sum of its proper divisors (229219).

13109294417 is a wasteful number, since it uses less digits than its factorization.

13109294417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229218.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 13109294417 in words is "thirteen billion, one hundred nine million, two hundred ninety-four thousand, four hundred seventeen".

Divisors: 1 109517 119701 13109294417