Base | Representation |
---|---|
bin | 101001001000110011… |
… | …0101001000000100001 |
3 | 22110000201101022012111 |
4 | 1102101212221000201 |
5 | 2421411043443211 |
6 | 104330035155321 |
7 | 6245126032561 |
oct | 1222146510041 |
9 | 273021338174 |
10 | 88342171681 |
11 | 34513942145 |
12 | 15155745b41 |
13 | 843b51cb8a |
14 | 43c0a72da1 |
15 | 2470a58421 |
hex | 14919a9021 |
88342171681 has 2 divisors, whose sum is σ = 88342171682. Its totient is φ = 88342171680.
The previous prime is 88342171613. The next prime is 88342171699. The reversal of 88342171681 is 18617124388.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79899502225 + 8442669456 = 282665^2 + 91884^2 .
It is a cyclic number.
It is not a de Polignac number, because 88342171681 - 213 = 88342163489 is a prime.
It is a super-2 number, since 2×883421716812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (88342175681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44171085840 + 44171085841.
It is an arithmetic number, because the mean of its divisors is an integer number (44171085841).
Almost surely, 288342171681 is an apocalyptic number.
It is an amenable number.
88342171681 is a deficient number, since it is larger than the sum of its proper divisors (1).
88342171681 is an equidigital number, since it uses as much as digits as its factorization.
88342171681 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 516096, while the sum is 49.
The spelling of 88342171681 in words is "eighty-eight billion, three hundred forty-two million, one hundred seventy-one thousand, six hundred eighty-one".
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