Base | Representation |
---|---|
bin | 10001110000011010111… |
… | …001100100011101001010 |
3 | 11022122121100222201100121 |
4 | 101300122321210131022 |
5 | 124443003313324320 |
6 | 2332321240253454 |
7 | 154105144650646 |
oct | 21603271443512 |
9 | 4278540881317 |
10 | 1220222011210 |
11 | 430547572454 |
12 | 1785a1a7128a |
13 | 8b0b2c85607 |
14 | 430b80c1c26 |
15 | 21b1a1ac8aa |
hex | 11c1ae6474a |
1220222011210 has 64 divisors (see below), whose sum is σ = 2261636536320. Its totient is φ = 473857464640.
The previous prime is 1220222011193. The next prime is 1220222011219. The reversal of 1220222011210 is 121102220221.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1220222011219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12638901 + ... + 12735079.
It is an arithmetic number, because the mean of its divisors is an integer number (35338070880).
Almost surely, 21220222011210 is an apocalyptic number.
1220222011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220222011210 is a deficient number, since it is larger than the sum of its proper divisors (1041414525110).
1220222011210 is a wasteful number, since it uses less digits than its factorization.
1220222011210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96531.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1220222011210 its reverse (121102220221), we get a palindrome (1341324231431).
The spelling of 1220222011210 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, eleven thousand, two hundred ten".
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