Base | Representation |
---|---|
bin | 110010010011000011101110… |
… | …110011001010000010000011 |
3 | 1002000020122211202200111110011 |
4 | 302103003232303022002003 |
5 | 212443314140003013102 |
6 | 2102251220224445351 |
7 | 64411016425352212 |
oct | 6223035663120203 |
9 | 1060218752614404 |
10 | 221212002001027 |
11 | 64537535165494 |
12 | 2098844ba79857 |
13 | 9658282542b6b |
14 | 3c8aa0a389079 |
15 | 1a893726292d7 |
hex | c930eecca083 |
221212002001027 has 2 divisors, whose sum is σ = 221212002001028. Its totient is φ = 221212002001026.
The previous prime is 221212002000989. The next prime is 221212002001033. The reversal of 221212002001027 is 720100200212122.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-221212002001027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 221212002000989 and 221212002001007.
It is not a weakly prime, because it can be changed into another prime (221212002001057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110606001000513 + 110606001000514.
It is an arithmetic number, because the mean of its divisors is an integer number (110606001000514).
Almost surely, 2221212002001027 is an apocalyptic number.
221212002001027 is a deficient number, since it is larger than the sum of its proper divisors (1).
221212002001027 is an equidigital number, since it uses as much as digits as its factorization.
221212002001027 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 221212002001027 its reverse (720100200212122), we get a palindrome (941312202213149).
The spelling of 221212002001027 in words is "two hundred twenty-one trillion, two hundred twelve billion, two million, one thousand, twenty-seven".
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