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2123330212 = 22618702173
BaseRepresentation
bin111111010001111…
…0111001010100100
312110222102100110201
41332203313022210
513322033031322
6550410200244
7103422003043
oct17643671244
95428370421
102123330212
1199a623463
124b3123084
1327ab99013
1416200055a
15c6624d27
hex7e8f72a4

2123330212 has 12 divisors (see below), whose sum is σ = 3776743516. Its totient is φ = 1044260640.

The previous prime is 2123330197. The next prime is 2123330219. The reversal of 2123330212 is 2120333212.

It can be written as a sum of positive squares in 2 ways, for example, as 46158436 + 2077171776 = 6794^2 + 45576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2123330212.

It is not an unprimeable number, because it can be changed into a prime (2123330219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350843 + ... + 4351330.

Almost surely, 22123330212 is an apocalyptic number.

It is an amenable number.

2123330212 is a deficient number, since it is larger than the sum of its proper divisors (1653413304).

2123330212 is a wasteful number, since it uses less digits than its factorization.

2123330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702238 (or 8702236 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123330212 is about 46079.6073333964. The cubic root of 2123330212 is about 1285.3039623706.

Adding to 2123330212 its reverse (2120333212), we get a palindrome (4243663424).

The spelling of 2123330212 in words is "two billion, one hundred twenty-three million, three hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 61 122 244 8702173 17404346 34808692 530832553 1061665106 2123330212