Search a number
-
+
13813709605 = 54773937951
BaseRepresentation
bin11001101110101110…
…00111101100100101
31022122200221011012021
430313113013230211
5211242302201410
610202415423141
7666213410563
oct146727075445
938580834167
1013813709605
11594952a533
122816224ab1
1313c1b44a87
14950862a33
1555cad5eda
hex3375c7b25

13813709605 has 16 divisors (see below), whose sum is σ = 16933561344. Its totient is φ = 10813017600.

The previous prime is 13813709603. The next prime is 13813709639. The reversal of 13813709605 is 50690731831.

It is not a de Polignac number, because 13813709605 - 21 = 13813709603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813709603) 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, 1733380 + ... + 1741330.

It is an arithmetic number, because the mean of its divisors is an integer number (1058347584).

Almost surely, 213813709605 is an apocalyptic number.

It is an amenable number.

13813709605 is a deficient number, since it is larger than the sum of its proper divisors (3119851739).

13813709605 is an equidigital number, since it uses as much as digits as its factorization.

13813709605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 13813709605 in words is "thirteen billion, eight hundred thirteen million, seven hundred nine thousand, six hundred five".

Divisors: 1 5 47 235 7393 7951 36965 39755 347471 373697 1737355 1868485 58781743 293908715 2762741921 13813709605