Base | Representation |
---|---|
bin | 1100010010011101000… |
… | …1010000010011000010 |
3 | 202011220202220120021101 |
4 | 3010213101100103002 |
5 | 11424324212412010 |
6 | 240552243445014 |
7 | 21152362236142 |
oct | 3044721202302 |
9 | 664822816241 |
10 | 211112232130 |
11 | 81594395718 |
12 | 34ab908676a |
13 | 16ba5580b67 |
14 | a309c48922 |
15 | 5758cd273a |
hex | 31274504c2 |
211112232130 has 8 divisors (see below), whose sum is σ = 380002017852. Its totient is φ = 84444892848.
The previous prime is 211112232119. The next prime is 211112232151. The reversal of 211112232130 is 31232211112.
It can be written as a sum of positive squares in 2 ways, for example, as 181160045641 + 29952186489 = 425629^2 + 173067^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2111122321302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 211112232098 and 211112232107.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555611597 + ... + 10555611616.
Almost surely, 2211112232130 is an apocalyptic number.
211112232130 is a deficient number, since it is larger than the sum of its proper divisors (168889785722).
211112232130 is a wasteful number, since it uses less digits than its factorization.
211112232130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21111223220.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 211112232130 its reverse (31232211112), we get a palindrome (242344443242).
The spelling of 211112232130 in words is "two hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, one hundred thirty".
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