Base | Representation |
---|---|
bin | 111111010001010… |
… | …1110101000101010 |
3 | 12110221212020221200 |
4 | 1332202232220222 |
5 | 13321444030010 |
6 | 550355545030 |
7 | 103416324651 |
oct | 17642565052 |
9 | 5427766850 |
10 | 2123033130 |
11 | 99a440239 |
12 | 4b2bbb176 |
13 | 27aac3a2a |
14 | 161d64198 |
15 | c65b6cc0 |
hex | 7e8aea2a |
2123033130 has 48 divisors (see below), whose sum is σ = 5574562344. Its totient is φ = 560534400.
The previous prime is 2123033111. The next prime is 2123033141. The reversal of 2123033130 is 313303212.
It can be written as a sum of positive squares in 4 ways, for example, as 1586508561 + 536524569 = 39831^2 + 23163^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107689 + ... + 125868.
Almost surely, 22123033130 is an apocalyptic number.
2123033130 is an abundant number, since it is smaller than the sum of its proper divisors (3451529214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123033130 is a wasteful number, since it uses less digits than its factorization.
2123033130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233671 (or 233668 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 2123033130 is about 46076.3836471570. The cubic root of 2123033130 is about 1285.2440158961.
Adding to 2123033130 its reverse (313303212), we get a palindrome (2436336342).
The spelling of 2123033130 in words is "two billion, one hundred twenty-three million, thirty-three thousand, one hundred thirty".
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