Search a number
-
+
13906337161 = 17818019833
BaseRepresentation
bin11001111001110000…
…11101110110001001
31022220011020010022111
430330320131312021
5211440010242121
610215525022321
71001416626013
oct147470356611
938804203274
1013906337161
115996845a32
1228412549a1
1314080a6992
1495cc951b3
15565cd12e1
hex33ce1dd89

13906337161 has 4 divisors (see below), whose sum is σ = 14724357012. Its totient is φ = 13088317312.

The previous prime is 13906337153. The next prime is 13906337171. The reversal of 13906337161 is 16173360931.

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 12180433225 + 1725903936 = 110365^2 + 41544^2 .

It is a cyclic number.

It is not a de Polignac number, because 13906337161 - 23 = 13906337153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13906337171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409009900 + ... + 409009933.

It is an arithmetic number, because the mean of its divisors is an integer number (3681089253).

Almost surely, 213906337161 is an apocalyptic number.

It is an amenable number.

13906337161 is a deficient number, since it is larger than the sum of its proper divisors (818019851).

13906337161 is an equidigital number, since it uses as much as digits as its factorization.

13906337161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818019850.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 13906337161 in words is "thirteen billion, nine hundred six million, three hundred thirty-seven thousand, one hundred sixty-one".

Divisors: 1 17 818019833 13906337161