Search a number
-
+
3121122312233 = 29317895954329
BaseRepresentation
bin101101011010110001011…
…000110000000000101001
3102001101011101021020220022
4231122301120300000221
5402114024302442413
610345453535010225
7441331214631602
oct55326130600051
912041141236808
103121122312233
11aa372a1a5672
12424a89669975
131984223aa943
14ab0c5308da9
15562c2edb608
hex2d6b1630029

3121122312233 has 8 divisors (see below), whose sum is σ = 3133525705800. Its totient is φ = 3108730831488.

The previous prime is 3121122312199. The next prime is 3121122312257. The reversal of 3121122312233 is 3322132211213.

It can be written as a sum of positive squares in 4 ways, for example, as 2935043960809 + 186078351424 = 1713197^2 + 431368^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121122312233 - 28 = 3121122311977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121122312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2452988 + ... + 3501341.

It is an arithmetic number, because the mean of its divisors is an integer number (391690713225).

Almost surely, 23121122312233 is an apocalyptic number.

It is an amenable number.

3121122312233 is a deficient number, since it is larger than the sum of its proper divisors (12403393567).

3121122312233 is a wasteful number, since it uses less digits than its factorization.

3121122312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956411.

The product of its digits is 2592, while the sum is 26.

Adding to 3121122312233 its reverse (3322132211213), we get a palindrome (6443254523446).

The spelling of 3121122312233 in words is "three trillion, one hundred twenty-one billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirty-three".

Divisors: 1 293 1789 524177 5954329 1744618397 10652294581 3121122312233