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220210133 = 11131981049
BaseRepresentation
bin11010010000000…
…10001111010101
3120100100211111212
431020002033111
5422333211013
633503511205
75312520023
oct1510021725
9510324455
10220210133
11103337150
12618b8505
1336812270
1421363713
15144ec6a8
hexd2023d5

220210133 has 16 divisors (see below), whose sum is σ = 272328000. Its totient is φ = 175063680.

The previous prime is 220210103. The next prime is 220210141. The reversal of 220210133 is 331012022.

It is a happy number.

It is not a de Polignac number, because 220210133 - 26 = 220210069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37808 + ... + 43241.

It is an arithmetic number, because the mean of its divisors is an integer number (17020500).

Almost surely, 2220210133 is an apocalyptic number.

It is an amenable number.

220210133 is a deficient number, since it is larger than the sum of its proper divisors (52117867).

220210133 is a wasteful number, since it uses less digits than its factorization.

220210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81092.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220210133 is about 14839.4788655128. The cubic root of 220210133 is about 603.8732145108.

Adding to 220210133 its reverse (331012022), we get a palindrome (551222155).

The spelling of 220210133 in words is "two hundred twenty million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 11 13 19 143 209 247 2717 81049 891539 1053637 1539931 11590007 16939241 20019103 220210133