Base | Representation |
---|---|
bin | 1001010001011011… |
… | …0101000010100100 |
3 | 20102110111221010000 |
4 | 2110112311002210 |
5 | 20044141344023 |
6 | 1050552101300 |
7 | 115452153612 |
oct | 22426650244 |
9 | 6373457100 |
10 | 2489012388 |
11 | 1067a89935 |
12 | 595694830 |
13 | 3088831c5 |
14 | 1987d06b2 |
15 | e87aa243 |
hex | 945b50a4 |
2489012388 has 60 divisors (see below), whose sum is σ = 6849248560. Its totient is φ = 786001968.
The previous prime is 2489012353. The next prime is 2489012389. The reversal of 2489012388 is 8832109842.
It is not an unprimeable number, because it can be changed into a prime (2489012389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196006 + ... + 208317.
Almost surely, 22489012388 is an apocalyptic number.
It is an amenable number.
2489012388 is an abundant number, since it is smaller than the sum of its proper divisors (4360236172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2489012388 is a wasteful number, since it uses less digits than its factorization.
2489012388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404358 (or 404347 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 2489012388 is about 49890.0028863499. The cubic root of 2489012388 is about 1355.2175570574.
The spelling of 2489012388 in words is "two billion, four hundred eighty-nine million, twelve thousand, three hundred eighty-eight".
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