Search a number
-
+
17738114121 = 3272133094037
BaseRepresentation
bin10000100001010001…
…100010010001001001
31200210012101120010200
4100201101202101021
5242311424122441
612052045202413
71165365324300
oct204121422111
950705346120
1017738114121
117582780752
123530560409
131898bb8b20
14c03b39437
156dc3c77b6
hex421462449

17738114121 has 36 divisors (see below), whose sum is σ = 32097550212. Its totient is φ = 9356364864.

The previous prime is 17738114087. The next prime is 17738114123. The reversal of 17738114121 is 12141183771.

It can be written as a sum of positive squares in 2 ways, for example, as 3863865600 + 13874248521 = 62160^2 + 117789^2 .

It is not a de Polignac number, because 17738114121 - 29 = 17738113609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17738114123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1541286 + ... + 1552751.

It is an arithmetic number, because the mean of its divisors is an integer number (891598617).

Almost surely, 217738114121 is an apocalyptic number.

It is an amenable number.

17738114121 is a deficient number, since it is larger than the sum of its proper divisors (14359436091).

17738114121 is a wasteful number, since it uses less digits than its factorization.

17738114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094070 (or 3094060 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

Adding to 17738114121 its reverse (12141183771), we get a palindrome (29879297892).

The spelling of 17738114121 in words is "seventeen billion, seven hundred thirty-eight million, one hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 7 9 13 21 39 49 63 91 117 147 273 441 637 819 1911 5733 3094037 9282111 21658259 27846333 40222481 64974777 120667443 151607813 194924331 281557367 362002329 454823439 844672101 1364470317 1970901569 2534016303 5912704707 17738114121