Base | Representation |
---|---|
bin | 101111100110001010… |
… | …0011100111010100011 |
3 | 100202211100012202220112 |
4 | 1133030110130322203 |
5 | 3133312303124222 |
6 | 114542225201535 |
7 | 10245625015013 |
oct | 1371424347243 |
9 | 322740182815 |
10 | 102212161187 |
11 | 3a391111594 |
12 | 179867902ab |
13 | 983bc0b566 |
14 | 4d38b85c43 |
15 | 29d3559be2 |
hex | 17cc51cea3 |
102212161187 has 2 divisors, whose sum is σ = 102212161188. Its totient is φ = 102212161186.
The previous prime is 102212161147. The next prime is 102212161199. The reversal of 102212161187 is 781161212201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102212161187 - 214 = 102212144803 is a prime.
It is not a weakly prime, because it can be changed into another prime (102212161127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106080593 + 51106080594.
It is an arithmetic number, because the mean of its divisors is an integer number (51106080594).
Almost surely, 2102212161187 is an apocalyptic number.
102212161187 is a deficient number, since it is larger than the sum of its proper divisors (1).
102212161187 is an equidigital number, since it uses as much as digits as its factorization.
102212161187 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 32.
Adding to 102212161187 its reverse (781161212201), we get a palindrome (883373373388).
The spelling of 102212161187 in words is "one hundred two billion, two hundred twelve million, one hundred sixty-one thousand, one hundred eighty-seven".
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