Base | Representation |
---|---|
bin | 11110111000011101101… |
… | …101000111100101000100 |
3 | 21111212210121200102110201 |
4 | 132320131231013211010 |
5 | 234232242311223022 |
6 | 4302533020500244 |
7 | 306216253105165 |
oct | 36703555074504 |
9 | 7455717612421 |
10 | 2122212211012 |
11 | 749030515873 |
12 | 2a33706aa684 |
13 | 12517bb6712a |
14 | 74a0393176c |
15 | 3a30c2b3127 |
hex | 1ee1db47944 |
2122212211012 has 12 divisors (see below), whose sum is σ = 3716065044076. Its totient is φ = 1060479341280.
The previous prime is 2122212210997. The next prime is 2122212211019. The reversal of 2122212211012 is 2101122122212.
It can be written as a sum of positive squares in 2 ways, for example, as 1150457888836 + 971754322176 = 1072594^2 + 985776^2 .
It is a super-2 number, since 2×21222122110122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2122212211019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156683439 + ... + 156696982.
Almost surely, 22122212211012 is an apocalyptic number.
It is an amenable number.
2122212211012 is a deficient number, since it is larger than the sum of its proper divisors (1593852833064).
2122212211012 is a wasteful number, since it uses less digits than its factorization.
2122212211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313382118 (or 313382116 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 2122212211012 its reverse (2101122122212), we get a palindrome (4223334333224).
The spelling of 2122212211012 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, twelve".
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