Base | Representation |
---|---|
bin | 10000110100111100… |
… | …101011011111000110 |
3 | 1201122012111012201201 |
4 | 100310330223133012 |
5 | 244000424104144 |
6 | 12144520013114 |
7 | 1206514043125 |
oct | 206474533706 |
9 | 51565435651 |
10 | 18068191174 |
11 | 7732028500 |
12 | 360300119a |
13 | 191c3b79a7 |
14 | c358dbabc |
15 | 70b3781d4 |
hex | 434f2b7c6 |
18068191174 has 24 divisors (see below), whose sum is σ = 29834650440. Its totient is φ = 8200536960.
The previous prime is 18068191171. The next prime is 18068191181. The reversal of 18068191174 is 47119186081.
It is a super-4 number, since 4×180681911744 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18068191171) 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 in 11 ways as a sum of consecutive naturals, for example, 107397 + ... + 218335.
It is an arithmetic number, because the mean of its divisors is an integer number (1243110435).
Almost surely, 218068191174 is an apocalyptic number.
18068191174 is a deficient number, since it is larger than the sum of its proper divisors (11766459266).
18068191174 is a wasteful number, since it uses less digits than its factorization.
18068191174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111636 (or 111625 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 46.
The spelling of 18068191174 in words is "eighteen billion, sixty-eight million, one hundred ninety-one thousand, one hundred seventy-four".
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