Base | Representation |
---|---|
bin | 100001000101010… |
… | …1111001111110110 |
3 | 2212100212111022110 |
4 | 1002022233033312 |
5 | 4233142024342 |
6 | 302053311450 |
7 | 36336534603 |
oct | 10212571766 |
9 | 2770774273 |
10 | 1110111222 |
11 | 51a6a0aa0 |
12 | 26b935586 |
13 | 148cb105c |
14 | a76116aa |
15 | 676d1c9c |
hex | 422af3f6 |
1110111222 has 64 divisors (see below), whose sum is σ = 2517951744. Its totient is φ = 323303040.
The previous prime is 1110111193. The next prime is 1110111241. The reversal of 1110111222 is 2221110111.
It is a junction number, because it is equal to n+sod(n) for n = 1110111198 and 1110111207.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199948 + ... + 205424.
It is an arithmetic number, because the mean of its divisors is an integer number (39342996).
Almost surely, 21110111222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1110111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258975872).
1110111222 is an abundant number, since it is smaller than the sum of its proper divisors (1407840522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1110111222 is a wasteful number, since it uses less digits than its factorization.
1110111222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5613.
The product of its (nonzero) digits is 8, while the sum is 12.
The square root of 1110111222 is about 33318.3316208960. The cubic root of 1110111222 is about 1035.4333866135.
Adding to 1110111222 its reverse (2221110111), we get a palindrome (3331221333).
It can be divided in two parts, 1110111 and 222, that multiplied together give a palindrome (246444642).
The spelling of 1110111222 in words is "one billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-two".
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