Base | Representation |
---|---|
bin | 11110111000011110010… |
… | …011010011001100110111 |
3 | 21111212211022111221100012 |
4 | 132320132103103030313 |
5 | 234232302342020322 |
6 | 4302534015210435 |
7 | 306216434143154 |
oct | 36703623231467 |
9 | 7455738457305 |
10 | 2122222220087 |
11 | 749036131832 |
12 | 2a3373b16a1b |
13 | 125180c5cb68 |
14 | 74a04db922b |
15 | 3a30d0ddae2 |
hex | 1ee1e4d3337 |
2122222220087 has 2 divisors, whose sum is σ = 2122222220088. Its totient is φ = 2122222220086.
The previous prime is 2122222220059. The next prime is 2122222220101. The reversal of 2122222220087 is 7800222222212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2122222220087 - 210 = 2122222219063 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2122222220387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061111110043 + 1061111110044.
It is an arithmetic number, because the mean of its divisors is an integer number (1061111110044).
Almost surely, 22122222220087 is an apocalyptic number.
2122222220087 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122222220087 is an equidigital number, since it uses as much as digits as its factorization.
2122222220087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14336, while the sum is 32.
Adding to 2122222220087 its reverse (7800222222212), we get a palindrome (9922444442299).
The spelling of 2122222220087 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, eighty-seven".
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