Search a number
-
+
11201387 is a prime number
BaseRepresentation
bin101010101110…
…101101101011
3210002002102012
4222232231223
510331421022
61040030135
7164132051
oct52565553
923062365
1011201387
11636084a
12390234b
132422652
1416b81d1
15eb3de2
hexaaeb6b

11201387 has 2 divisors, whose sum is σ = 11201388. Its totient is φ = 11201386.

The previous prime is 11201383. The next prime is 11201389. The reversal of 11201387 is 78310211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201387 - 22 = 11201383 is a prime.

Together with 11201389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11201381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600693 + 5600694.

It is an arithmetic number, because the mean of its divisors is an integer number (5600694).

Almost surely, 211201387 is an apocalyptic number.

11201387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201387 is an equidigital number, since it uses as much as digits as its factorization.

11201387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11201387 is about 3346.8473224813. The cubic root of 11201387 is about 223.7470238777.

Adding to 11201387 its reverse (78310211), we get a palindrome (89511598).

The spelling of 11201387 in words is "eleven million, two hundred one thousand, three hundred eighty-seven".