Search a number
-
+
3303112121 = 17194300713
BaseRepresentation
bin1100010011100001…
…0111110110111001
322112012101110222222
43010320113312321
523231044041441
61303433053425
7144565663331
oct30470276671
98465343888
103303112121
111445580031
12782257275
13408431a1a
1423498a0c1
15144eb9d4b
hexc4e17db9

3303112121 has 4 divisors (see below), whose sum is σ = 3497412852. Its totient is φ = 3108811392.

The previous prime is 3303112117. The next prime is 3303112159. The reversal of 3303112121 is 1212113033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212113033 = 4725789639.

It can be written as a sum of positive squares in 2 ways, for example, as 2515524025 + 787588096 = 50155^2 + 28064^2 .

It is a cyclic number.

It is not a de Polignac number, because 3303112121 - 22 = 3303112117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 194300713 = 3303112121 / (3 + 3 + 0 + 3 + 1 + 1 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3303112121.

It is not an unprimeable number, because it can be changed into a prime (3303112321) 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, 97150340 + ... + 97150373.

It is an arithmetic number, because the mean of its divisors is an integer number (874353213).

Almost surely, 23303112121 is an apocalyptic number.

It is an amenable number.

3303112121 is a deficient number, since it is larger than the sum of its proper divisors (194300731).

3303112121 is a wasteful number, since it uses less digits than its factorization.

3303112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194300730.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3303112121 is about 57472.7076184862. The cubic root of 3303112121 is about 1489.2734203550.

Adding to 3303112121 its reverse (1212113033), we get a palindrome (4515225154).

The spelling of 3303112121 in words is "three billion, three hundred three million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 17 194300713 3303112121