| Base | Representation |
|---|---|
| bin | 111111001011100… |
| … | …1100100111110100 |
| 3 | 12110202011200022100 |
| 4 | 1332113030213310 |
| 5 | 13320210311403 |
| 6 | 550211102100 |
| 7 | 103351534560 |
| oct | 17627144764 |
| 9 | 5422150270 |
| 10 | 2120010228 |
| 11 | 998766076 |
| 12 | 4b1ba1930 |
| 13 | 27a2a5b2b |
| 14 | 1617b86a0 |
| 15 | c61bb2a3 |
| hex | 7e5cc9f4 |
2120010228 has 144 divisors (see below), whose sum is σ = 6574538880. Its totient is φ = 562194432.
The previous prime is 2120010227. The next prime is 2120010259. The reversal of 2120010228 is 8220100212.
It is a happy number.
It is a super-2 number, since 2×21200102282 = 8988886733649223968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 2120010228.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120010227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309343 + ... + 316121.
It is an arithmetic number, because the mean of its divisors is an integer number (45656520).
Almost surely, 22120010228 is an apocalyptic number.
2120010228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2120010228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3287269440).
2120010228 is an abundant number, since it is smaller than the sum of its proper divisors (4454528652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120010228 is a wasteful number, since it uses less digits than its factorization.
2120010228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6886 (or 6881 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2120010228 is about 46043.5688017339. The cubic root of 2120010228 is about 1284.6337236231.
The spelling of 2120010228 in words is "two billion, one hundred twenty million, ten thousand, two hundred twenty-eight".
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