Base | Representation |
---|---|
bin | 10001110010001101011… |
… | …110100011101111000011 |
3 | 11022211120100010121211220 |
4 | 101302031132203233003 |
5 | 130010422420411321 |
6 | 2333240110010123 |
7 | 154203606143136 |
oct | 21621536435703 |
9 | 4284510117756 |
10 | 1222144310211 |
11 | 431343669110 |
12 | 178a397a6943 |
13 | 8b32b2c5b46 |
14 | 4321b51221d |
15 | 21bcdd229c6 |
hex | 11c8d7a3bc3 |
1222144310211 has 16 divisors (see below), whose sum is σ = 1825709438208. Its totient is φ = 720674776800.
The previous prime is 1222144310201. The next prime is 1222144310267. The reversal of 1222144310211 is 1120134412221.
It is not a de Polignac number, because 1222144310211 - 26 = 1222144310147 is a prime.
It is a super-2 number, since 2×12221443102112 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1222144310201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500467375 + ... + 500469816.
It is an arithmetic number, because the mean of its divisors is an integer number (114106839888).
Almost surely, 21222144310211 is an apocalyptic number.
1222144310211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1222144310211 is a deficient number, since it is larger than the sum of its proper divisors (603565127997).
1222144310211 is a wasteful number, since it uses less digits than its factorization.
1222144310211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000937242.
The product of its (nonzero) digits is 768, while the sum is 24.
Adding to 1222144310211 its reverse (1120134412221), we get a palindrome (2342278722432).
The spelling of 1222144310211 in words is "one trillion, two hundred twenty-two billion, one hundred forty-four million, three hundred ten thousand, two hundred eleven".
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