[go: up one dir, main page]

Search a number
-
+
2241412181 is a prime number
BaseRepresentation
bin1000010110011001…
…0011110001010101
312210012121112110222
42011212103301111
514042300142211
61010225124125
7106354455251
oct20546236125
95705545428
102241412181
11a50245168
12526789645
132994a0bc8
1417397b261
15d1b9c1db
hex85993c55

2241412181 has 2 divisors, whose sum is σ = 2241412182. Its totient is φ = 2241412180.

The previous prime is 2241412157. The next prime is 2241412207. The reversal of 2241412181 is 1812141422.

It is an a-pointer prime, because the next prime (2241412207) can be obtained adding 2241412181 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408801156 + 832611025 = 37534^2 + 28855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2241412181 is a prime.

It is a super-2 number, since 2×22414121812 = 10047857130270353522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2241412181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241412081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120706090 + 1120706091.

It is an arithmetic number, because the mean of its divisors is an integer number (1120706091).

Almost surely, 22241412181 is an apocalyptic number.

It is an amenable number.

2241412181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241412181 is an equidigital number, since it uses as much as digits as its factorization.

2241412181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 26.

The square root of 2241412181 is about 47343.5547989375. The cubic root of 2241412181 is about 1308.7014268908.

The spelling of 2241412181 in words is "two billion, two hundred forty-one million, four hundred twelve thousand, one hundred eighty-one".