Base | Representation |
---|---|
bin | 111110100110000… |
… | …1000101010100110 |
3 | 12102101010222112100 |
4 | 1331030020222212 |
5 | 13300141130342 |
6 | 544225232530 |
7 | 103022352321 |
oct | 17514105246 |
9 | 5371128470 |
10 | 2100333222 |
11 | 988646489 |
12 | 4a7492746 |
13 | 2761a6730 |
14 | 15cd357b8 |
15 | c45d0e4c |
hex | 7d308aa6 |
2100333222 has 24 divisors (see below), whose sum is σ = 4900778064. Its totient is φ = 646256304.
The previous prime is 2100333211. The next prime is 2100333223. The reversal of 2100333222 is 2223330012.
It is a happy number.
It is a super-2 number, since 2×21003332222 = 8822799286873802568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2100333195 and 2100333204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100333223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4487658 + ... + 4488125.
It is an arithmetic number, because the mean of its divisors is an integer number (204199086).
Almost surely, 22100333222 is an apocalyptic number.
2100333222 is an abundant number, since it is smaller than the sum of its proper divisors (2800444842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100333222 is a wasteful number, since it uses less digits than its factorization.
2100333222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8975804 (or 8975801 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2100333222 is about 45829.3925554332. The cubic root of 2100333222 is about 1280.6468942863.
Adding to 2100333222 its reverse (2223330012), we get a palindrome (4323663234).
The spelling of 2100333222 in words is "two billion, one hundred million, three hundred thirty-three thousand, two hundred twenty-two".
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