Base | Representation |
---|---|
bin | 1110010101001… |
… | …00001001101100 |
3 | 22101012022011021 |
4 | 13022210021230 |
5 | 221233210103 |
6 | 15532303524 |
7 | 2656524361 |
oct | 712441154 |
9 | 271168137 |
10 | 120210028 |
11 | 61945634 |
12 | 34311ba4 |
13 | 1bb9b6c3 |
14 | 11d72468 |
15 | a847bbd |
hex | 72a426c |
120210028 has 12 divisors (see below), whose sum is σ = 210509712. Its totient is φ = 60064400.
The previous prime is 120210023. The next prime is 120210031. The reversal of 120210028 is 820012021.
It is a junction number, because it is equal to n+sod(n) for n = 120209993 and 120210020.
It is not an unprimeable number, because it can be changed into a prime (120210023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923 + ... + 15778.
It is an arithmetic number, because the mean of its divisors is an integer number (17542476).
Almost surely, 2120210028 is an apocalyptic number.
It is an amenable number.
120210028 is a deficient number, since it is larger than the sum of its proper divisors (90299684).
120210028 is a wasteful number, since it uses less digits than its factorization.
120210028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20312 (or 20310 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 120210028 is about 10964.0333819266. The cubic root of 120210028 is about 493.5300102503.
Adding to 120210028 its reverse (820012021), we get a palindrome (940222049).
The spelling of 120210028 in words is "one hundred twenty million, two hundred ten thousand, twenty-eight".
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