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2105530330 = 25239987767
BaseRepresentation
bin111110101111111…
…1101011111011010
312102201221000121211
41331133331133122
513303003432310
6544532453334
7103114466251
oct17537753732
95381830554
102105530330
11990576112
124a917a24a
132772a6147
1415d8c9798
15c4caac8a
hex7d7fd7da

2105530330 has 16 divisors (see below), whose sum is σ = 3791577600. Its totient is φ = 841851472.

The previous prime is 2105530307. The next prime is 2105530367. The reversal of 2105530330 is 330355012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19894 + ... + 67873.

It is an arithmetic number, because the mean of its divisors is an integer number (236973600).

Almost surely, 22105530330 is an apocalyptic number.

2105530330 is a deficient number, since it is larger than the sum of its proper divisors (1686047270).

2105530330 is a wasteful number, since it uses less digits than its factorization.

2105530330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90173.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 2105530330 is about 45886.0581222663. The cubic root of 2105530330 is about 1281.7023106443.

Adding to 2105530330 its reverse (330355012), we get a palindrome (2435885342).

The spelling of 2105530330 in words is "two billion, one hundred five million, five hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 2399 4798 11995 23990 87767 175534 438835 877670 210553033 421106066 1052765165 2105530330