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13434440313 = 372179929347
BaseRepresentation
bin11001000001100000…
…10100101001111001
31021200021021021112110
430200300110221321
5210003204042223
610101030402533
7653626600320
oct144060245171
937607237473
1013434440313
115774433938
12272b200449
1313613b1388
149163370b7
15539669d93
hex320c14a79

13434440313 has 16 divisors (see below), whose sum is σ = 20473164800. Its totient is φ = 7676209296.

The previous prime is 13434440303. The next prime is 13434440329. The reversal of 13434440313 is 31304443431.

It is not a de Polignac number, because 13434440313 - 216 = 13434374777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13434440303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443106 + ... + 472452.

It is an arithmetic number, because the mean of its divisors is an integer number (1279572800).

Almost surely, 213434440313 is an apocalyptic number.

It is an amenable number.

13434440313 is a deficient number, since it is larger than the sum of its proper divisors (7038724487).

13434440313 is a wasteful number, since it uses less digits than its factorization.

13434440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51156.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13434440313 its reverse (31304443431), we get a palindrome (44738883744).

The spelling of 13434440313 in words is "thirteen billion, four hundred thirty-four million, four hundred forty thousand, three hundred thirteen".

Divisors: 1 3 7 21 21799 29347 65397 88041 152593 205429 457779 616287 639735253 1919205759 4478146771 13434440313