Base | Representation |
---|---|
bin | 111110111010110… |
… | …1000111001000010 |
3 | 12110010121201221121 |
4 | 1331311220321002 |
5 | 13310432304442 |
6 | 545254342454 |
7 | 103214005204 |
oct | 17565507102 |
9 | 5403551847 |
10 | 2111213122 |
11 | 9937a7737 |
12 | 4ab05aa2a |
13 | 278515945 |
14 | 160568774 |
15 | c552e967 |
hex | 7dd68e42 |
2111213122 has 8 divisors (see below), whose sum is σ = 3167032896. Its totient is φ = 1055535492.
The previous prime is 2111213053. The next prime is 2111213131. The reversal of 2111213122 is 2213121112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2111213096 and 2111213105.
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 3 ways as a sum of consecutive naturals, for example, 17323 + ... + 67249.
It is an arithmetic number, because the mean of its divisors is an integer number (395879112).
Almost surely, 22111213122 is an apocalyptic number.
2111213122 is a deficient number, since it is larger than the sum of its proper divisors (1055819774).
2111213122 is a wasteful number, since it uses less digits than its factorization.
2111213122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71072.
The product of its digits is 48, while the sum is 16.
The square root of 2111213122 is about 45947.9392573813. The cubic root of 2111213122 is about 1282.8543726729.
Adding to 2111213122 its reverse (2213121112), we get a palindrome (4324334234).
The spelling of 2111213122 in words is "two billion, one hundred eleven million, two hundred thirteen thousand, one hundred twenty-two".
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