Search a number
-
+
220051211 is a prime number
BaseRepresentation
bin11010001110110…
…11011100001011
3120100001202111212
431013123130023
5422313114321
633500243335
75311255502
oct1507333413
9510052455
10220051211
11103238806
126184054b
1336787b23
1421321839
15144ba55b
hexd1db70b

220051211 has 2 divisors, whose sum is σ = 220051212. Its totient is φ = 220051210.

The previous prime is 220051151. The next prime is 220051219. The reversal of 220051211 is 112150022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220051211 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220051219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110025605 + 110025606.

It is an arithmetic number, because the mean of its divisors is an integer number (110025606).

Almost surely, 2220051211 is an apocalyptic number.

220051211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220051211 is an equidigital number, since it uses as much as digits as its factorization.

220051211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 220051211 is about 14834.1231961987. The cubic root of 220051211 is about 603.7279111237.

The spelling of 220051211 in words is "two hundred twenty million, fifty-one thousand, two hundred eleven".