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2123301330 = 233565312043
BaseRepresentation
bin111111010001111…
…0000000111010010
312110222100212212000
41332203300013102
513322031120310
6550405414430
7103421522613
oct17643600722
95428325760
102123301330
1199a603797
124b310a416
1327ab88b27
14161dd3c0a
15c661b4c0
hex7e8f01d2

2123301330 has 64 divisors (see below), whose sum is σ = 5671278720. Its totient is φ = 565299648.

The previous prime is 2123301329. The next prime is 2123301331. The reversal of 2123301330 is 331033212.

2123301330 is a `hidden beast` number, since 2 + 1 + 2 + 330 + 1 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (2123301329) and next prime (2123301331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2123301331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170289 + ... + 182331.

It is an arithmetic number, because the mean of its divisors is an integer number (88613730).

Almost surely, 22123301330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123301330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835639360).

2123301330 is an abundant number, since it is smaller than the sum of its proper divisors (3547977390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123301330 is a wasteful number, since it uses less digits than its factorization.

2123301330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712 (or 12706 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2123301330 is about 46079.2939399032. The cubic root of 2123301330 is about 1285.2981346827.

Adding to 2123301330 its reverse (331033212), we get a palindrome (2454334542).

The spelling of 2123301330 in words is "two billion, one hundred twenty-three million, three hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 653 1306 1959 3265 3918 5877 6530 9795 11754 12043 17631 19590 24086 29385 35262 36129 58770 60215 72258 88155 108387 120430 176310 180645 216774 325161 361290 541935 650322 1083870 1625805 3251610 7864079 15728158 23592237 39320395 47184474 70776711 78640790 117961185 141553422 212330133 235922370 353883555 424660266 707767110 1061650665 2123301330