Base | Representation |
---|---|
bin | 1100011101010010111… |
… | …1110101101101110001 |
3 | 202110102121111001200222 |
4 | 3013110233311231301 |
5 | 12001304303124311 |
6 | 242153133222425 |
7 | 21314453000600 |
oct | 3072457655561 |
9 | 673377431628 |
10 | 214022708081 |
11 | 8284826a346 |
12 | 3558b931a15 |
13 | 1724a54bc90 |
14 | a5045c9a37 |
15 | 5879590adb |
hex | 31d4bf5b71 |
214022708081 has 48 divisors (see below), whose sum is σ = 272639923920. Its totient is φ = 166500956160.
The previous prime is 214022708057. The next prime is 214022708111. The reversal of 214022708081 is 180807220412.
It can be written as a sum of positive squares in 8 ways, for example, as 30166131856 + 183856576225 = 173684^2 + 428785^2 .
It is a de Polignac number, because none of the positive numbers 2k-214022708081 is a prime.
It is a super-2 number, since 2×2140227080812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (214022707081) 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 47 ways as a sum of consecutive naturals, for example, 10251005 + ... + 10271861.
It is an arithmetic number, because the mean of its divisors is an integer number (5679998415).
Almost surely, 2214022708081 is an apocalyptic number.
It is an amenable number.
214022708081 is a deficient number, since it is larger than the sum of its proper divisors (58617215839).
214022708081 is a wasteful number, since it uses less digits than its factorization.
214022708081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21154 (or 21147 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 35.
Adding to 214022708081 its reverse (180807220412), we get a palindrome (394829928493).
The spelling of 214022708081 in words is "two hundred fourteen billion, twenty-two million, seven hundred eight thousand, eighty-one".
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