Base | Representation |
---|---|
bin | 101111100010110100… |
… | …1000011101000111001 |
3 | 100202112112101121021021 |
4 | 1133011221003220321 |
5 | 3133100112402134 |
6 | 114523143542441 |
7 | 10243064501443 |
oct | 1370551035071 |
9 | 322475347237 |
10 | 102100122169 |
11 | 3a333947a61 |
12 | 1795515aa21 |
13 | 9821941096 |
14 | 4d27d3d493 |
15 | 29c87c80b4 |
hex | 17c5a43a39 |
102100122169 has 2 divisors, whose sum is σ = 102100122170. Its totient is φ = 102100122168.
The previous prime is 102100122149. The next prime is 102100122209. The reversal of 102100122169 is 961221001201.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 92408704144 + 9691418025 = 303988^2 + 98445^2 .
It is a cyclic number.
It is not a de Polignac number, because 102100122169 - 29 = 102100121657 is a prime.
It is a super-2 number, since 2×1021001221692 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (102100122109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050061084 + 51050061085.
It is an arithmetic number, because the mean of its divisors is an integer number (51050061085).
Almost surely, 2102100122169 is an apocalyptic number.
It is an amenable number.
102100122169 is a deficient number, since it is larger than the sum of its proper divisors (1).
102100122169 is an equidigital number, since it uses as much as digits as its factorization.
102100122169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 25.
The spelling of 102100122169 in words is "one hundred two billion, one hundred million, one hundred twenty-two thousand, one hundred sixty-nine".
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