Base | Representation |
---|---|
bin | 100000110110010… |
… | …0110100000110001 |
3 | 2211211000010102010 |
4 | 1001230212200301 |
5 | 4224131223441 |
6 | 301212113133 |
7 | 36212432334 |
oct | 10154464061 |
9 | 2754003363 |
10 | 1102211121 |
11 | 516195590 |
12 | 2691657a9 |
13 | 14747623b |
14 | a655661b |
15 | 66b71116 |
hex | 41b26831 |
1102211121 has 32 divisors (see below), whose sum is σ = 1622217600. Its totient is φ = 660142080.
The previous prime is 1102211119. The next prime is 1102211191. The reversal of 1102211121 is 1211122011.
It is not a de Polignac number, because 1102211121 - 21 = 1102211119 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1102211097 and 1102211106.
It is not an unprimeable number, because it can be changed into a prime (1102211101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1185985 + ... + 1186913.
It is an arithmetic number, because the mean of its divisors is an integer number (50694300).
Almost surely, 21102211121 is an apocalyptic number.
1102211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1102211121 is a deficient number, since it is larger than the sum of its proper divisors (520006479).
1102211121 is a wasteful number, since it uses less digits than its factorization.
1102211121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1329.
The product of its (nonzero) digits is 8, while the sum is 12.
The square root of 1102211121 is about 33199.5650724524. The cubic root of 1102211121 is about 1032.9713180596.
Adding to 1102211121 its reverse (1211122011), we get a palindrome (2313333132).
The spelling of 1102211121 in words is "one billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".
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