Base | Representation |
---|---|
bin | 110100011001010110000110… |
… | …110011101010011010001001 |
3 | 1010012220212021201012012111022 |
4 | 310121112012303222122021 |
5 | 220201012402324203111 |
6 | 2134034423443442225 |
7 | 66352515353331002 |
oct | 6431260663523211 |
9 | 1105825251165438 |
10 | 230440142022281 |
11 | 6747512a678224 |
12 | 21a18a15386375 |
13 | 9b77548656669 |
14 | 40c95105501a9 |
15 | 1b9942494e2db |
hex | d19586cea689 |
230440142022281 has 2 divisors, whose sum is σ = 230440142022282. Its totient is φ = 230440142022280.
The previous prime is 230440142022163. The next prime is 230440142022383. The reversal of 230440142022281 is 182220241044032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 223220930736400 + 7219211285881 = 14940580^2 + 2686859^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230440142022281 is a prime.
It is a super-2 number, since 2×2304401420222812 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (230440142022581) 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 as a sum of consecutive naturals, namely, 115220071011140 + 115220071011141.
It is an arithmetic number, because the mean of its divisors is an integer number (115220071011141).
Almost surely, 2230440142022281 is an apocalyptic number.
It is an amenable number.
230440142022281 is a deficient number, since it is larger than the sum of its proper divisors (1).
230440142022281 is an equidigital number, since it uses as much as digits as its factorization.
230440142022281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 49152, while the sum is 35.
The spelling of 230440142022281 in words is "two hundred thirty trillion, four hundred forty billion, one hundred forty-two million, twenty-two thousand, two hundred eighty-one".
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