Base | Representation |
---|---|
bin | 10000110110011011… |
… | …110110110010110101 |
3 | 1201200221102210200202 |
4 | 100312123312302311 |
5 | 244023321004143 |
6 | 12151210450245 |
7 | 1210236106502 |
oct | 206633666265 |
9 | 51627383622 |
10 | 18093141173 |
11 | 7745119838 |
12 | 360b433985 |
13 | 19246121c3 |
14 | c38d544a9 |
15 | 70d655ab8 |
hex | 4366f6cb5 |
18093141173 has 2 divisors, whose sum is σ = 18093141174. Its totient is φ = 18093141172.
The previous prime is 18093141167. The next prime is 18093141239. The reversal of 18093141173 is 37114139081.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18065241649 + 27899524 = 134407^2 + 5282^2 .
It is an emirp because it is prime and its reverse (37114139081) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 18093141173 - 232 = 13798173877 is a prime.
It is a super-2 number, since 2×180931411732 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18093146173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046570586 + 9046570587.
It is an arithmetic number, because the mean of its divisors is an integer number (9046570587).
Almost surely, 218093141173 is an apocalyptic number.
It is an amenable number.
18093141173 is a deficient number, since it is larger than the sum of its proper divisors (1).
18093141173 is an equidigital number, since it uses as much as digits as its factorization.
18093141173 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 38.
The spelling of 18093141173 in words is "eighteen billion, ninety-three million, one hundred forty-one thousand, one hundred seventy-three".
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