Base | Representation |
---|---|
bin | 1000000101100111000000 |
3 | 10222201021021 |
4 | 20011213000 |
5 | 1020321003 |
6 | 113235224 |
7 | 24010063 |
oct | 10054700 |
9 | 3881237 |
10 | 2120128 |
11 | 121897a |
12 | 862b14 |
13 | 59301a |
14 | 3d28da |
15 | 2bd2bd |
hex | 2059c0 |
2120128 has 28 divisors (see below), whose sum is σ = 4253992. Its totient is φ = 1048320.
The previous prime is 2120119. The next prime is 2120143. The reversal of 2120128 is 8210212.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9943 + ... + 10153.
22120128 is an apocalyptic number.
It is an amenable number.
2120128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
2120128 is a wasteful number, since it uses less digits than its factorization.
2120128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 380 (or 370 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 2120128 is about 1456.0659325731. The cubic root of 2120128 is about 128.4657511414.
The spelling of 2120128 in words is "two million, one hundred twenty thousand, one hundred twenty-eight".
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