Base | Representation |
---|---|
bin | 1100010101110110000… |
… | …0001100111011000011 |
3 | 202021021012000122221222 |
4 | 3011131200030323003 |
5 | 11433210130321011 |
6 | 241222425505255 |
7 | 21214051166633 |
oct | 3053540147303 |
9 | 667235018858 |
10 | 212022120131 |
11 | 81a10a60a78 |
12 | 3511194222b |
13 | 16cbbc2a123 |
14 | a394a1a6c3 |
15 | 57adb13ddb |
hex | 315d80cec3 |
212022120131 has 2 divisors, whose sum is σ = 212022120132. Its totient is φ = 212022120130.
The previous prime is 212022120119. The next prime is 212022120169. The reversal of 212022120131 is 131021220212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212022120131 - 26 = 212022120067 is a prime.
It is a super-3 number, since 3×2120221201313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (212022120181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011060065 + 106011060066.
It is an arithmetic number, because the mean of its divisors is an integer number (106011060066).
Almost surely, 2212022120131 is an apocalyptic number.
212022120131 is a deficient number, since it is larger than the sum of its proper divisors (1).
212022120131 is an equidigital number, since it uses as much as digits as its factorization.
212022120131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 212022120131 its reverse (131021220212), we get a palindrome (343043340343).
The spelling of 212022120131 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, one hundred thirty-one".
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