Search a number
-
+
220101769 is a prime number
BaseRepresentation
bin11010001111001…
…11110010001001
3120100011022212101
431013213302021
5422321224034
633501313401
75311556056
oct1507476211
9510138771
10220101769
11103272798
1261865861
13367a4b44
142133602d
15144ca514
hexd1e7c89

220101769 has 2 divisors, whose sum is σ = 220101770. Its totient is φ = 220101768.

The previous prime is 220101751. The next prime is 220101773. The reversal of 220101769 is 967101022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196336144 + 23765625 = 14012^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 220101769 - 225 = 186547337 is a prime.

It is a super-2 number, since 2×2201017692 = 96889577433858722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220101709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050884 + 110050885.

It is an arithmetic number, because the mean of its divisors is an integer number (110050885).

Almost surely, 2220101769 is an apocalyptic number.

It is an amenable number.

220101769 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101769 is an equidigital number, since it uses as much as digits as its factorization.

220101769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 220101769 is about 14835.8272098323. The cubic root of 220101769 is about 603.7741442077.

The spelling of 220101769 in words is "two hundred twenty million, one hundred one thousand, seven hundred sixty-nine".