Base | Representation |
---|---|
bin | 110000010011001001100001… |
… | …000001111011011101011101 |
3 | 1000212010100121210202100200102 |
4 | 300103021201001323131131 |
5 | 210320311000311434323 |
6 | 2031441212553110445 |
7 | 62512664111604143 |
oct | 6023114101733535 |
9 | 1025110553670612 |
10 | 212422120421213 |
11 | 6175879616539a |
12 | 1b9a89b63b8425 |
13 | 916b421082621 |
14 | 3a653dd531593 |
15 | 19858c0872328 |
hex | c1326107b75d |
212422120421213 has 16 divisors (see below), whose sum is σ = 218067420969216. Its totient is φ = 206859111406080.
The previous prime is 212422120421183. The next prime is 212422120421263. The reversal of 212422120421213 is 312124021224212.
It is a cyclic number.
It is not a de Polignac number, because 212422120421213 - 214 = 212422120404829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212422120421263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27195806 + ... + 34124127.
It is an arithmetic number, because the mean of its divisors is an integer number (13629213810576).
Almost surely, 2212422120421213 is an apocalyptic number.
It is an amenable number.
212422120421213 is a deficient number, since it is larger than the sum of its proper divisors (5645300548003).
212422120421213 is an equidigital number, since it uses as much as digits as its factorization.
212422120421213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61320604.
The product of its (nonzero) digits is 6144, while the sum is 29.
Adding to 212422120421213 its reverse (312124021224212), we get a palindrome (524546141645425).
The spelling of 212422120421213 in words is "two hundred twelve trillion, four hundred twenty-two billion, one hundred twenty million, four hundred twenty-one thousand, two hundred thirteen".
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