Search a number
-
+
242205620312243 = 7217092892318223
BaseRepresentation
bin110111000100100011100011…
…111101100001100010110011
31011202120122001010022001100002
4313010203203331201202303
5223221244102244442433
62215043420443420215
7102005531026606400
oct6704434375414263
91152518033261302
10242205620312243
11701a0910419155
12231b90a422466b
13a51bb79926903
1443b4b592852a7
151d004cd8459e8
hexdc48e3f618b3

242205620312243 has 12 divisors (see below), whose sum is σ = 281914257293280. Its totient is φ = 207483339973392.

The previous prime is 242205620312203. The next prime is 242205620312281. The reversal of 242205620312243 is 342213026502242.

It is not a de Polignac number, because 242205620312243 - 226 = 242205553203379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242205620312197 and 242205620312206.

It is not an unprimeable number, because it can be changed into a prime (242205620312203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446075371 + ... + 1446242852.

It is an arithmetic number, because the mean of its divisors is an integer number (23492854774440).

Almost surely, 2242205620312243 is an apocalyptic number.

242205620312243 is a deficient number, since it is larger than the sum of its proper divisors (39708636981037).

242205620312243 is a wasteful number, since it uses less digits than its factorization.

242205620312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892319946 (or 2892319939 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 242205620312243 its reverse (342213026502242), we get a palindrome (584418646814485).

The spelling of 242205620312243 in words is "two hundred forty-two trillion, two hundred five billion, six hundred twenty million, three hundred twelve thousand, two hundred forty-three".

Divisors: 1 7 49 1709 11963 83741 2892318223 20246227561 141723592927 4942971843107 34600802901749 242205620312243