Base | Representation |
---|---|
bin | 1110010011101… |
… | …10000011101110 |
3 | 22100211201011202 |
4 | 13021312003232 |
5 | 221211134410 |
6 | 15524245502 |
7 | 2655110060 |
oct | 711660356 |
9 | 270751152 |
10 | 120021230 |
11 | 618267aa |
12 | 34240892 |
13 | 1bb337a4 |
14 | 11d23730 |
15 | a80bca5 |
hex | 72760ee |
120021230 has 32 divisors (see below), whose sum is σ = 248403456. Its totient is φ = 40899744.
The previous prime is 120021211. The next prime is 120021257. The reversal of 120021230 is 32120021.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6557 + ... + 16823.
It is an arithmetic number, because the mean of its divisors is an integer number (7762608).
Almost surely, 2120021230 is an apocalyptic number.
120021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120021230 is an abundant number, since it is smaller than the sum of its proper divisors (128382226).
120021230 is a wasteful number, since it uses less digits than its factorization.
120021230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10448.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 120021230 is about 10955.4201197398. The cubic root of 120021230 is about 493.2715007522.
Adding to 120021230 its reverse (32120021), we get a palindrome (152141251).
The spelling of 120021230 in words is "one hundred twenty million, twenty-one thousand, two hundred thirty".
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