Base | Representation |
---|---|
bin | 111111110111011… |
… | …0001010000101100 |
3 | 12112100100222211210 |
4 | 1333232301100230 |
5 | 13342044414303 |
6 | 552351114420 |
7 | 104050626462 |
oct | 17756612054 |
9 | 5470328753 |
10 | 2142966828 |
11 | 9aa715772 |
12 | 4b9812a10 |
13 | 281c82c12 |
14 | 164872832 |
15 | c8203203 |
hex | 7fbb142c |
2142966828 has 24 divisors (see below), whose sum is σ = 5005943488. Its totient is φ = 713509776.
The previous prime is 2142966821. The next prime is 2142966829. The reversal of 2142966828 is 8286692412.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2142966821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90526 + ... + 111717.
Almost surely, 22142966828 is an apocalyptic number.
It is an amenable number.
2142966828 is an abundant number, since it is smaller than the sum of its proper divisors (2862976660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142966828 is a wasteful number, since it uses less digits than its factorization.
2142966828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203133 (or 203131 counting only the distinct ones).
The product of its digits is 663552, while the sum is 48.
The square root of 2142966828 is about 46292.1897084163. The cubic root of 2142966828 is about 1289.2539860621.
The spelling of 2142966828 in words is "two billion, one hundred forty-two million, nine hundred sixty-six thousand, eight hundred twenty-eight".
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