Base | Representation |
---|---|
bin | 100010010110… |
… | …1001010010001 |
3 | 1020220001010112 |
4 | 1010231022101 |
5 | 14102321034 |
6 | 1442011105 |
7 | 306042350 |
oct | 104551221 |
9 | 36801115 |
10 | 18010769 |
11 | a191837 |
12 | 6046a95 |
13 | 3967b7a |
14 | 256b997 |
15 | 18ab7ce |
hex | 112d291 |
18010769 has 24 divisors (see below), whose sum is σ = 22693440. Its totient is φ = 13982976.
The previous prime is 18010757. The next prime is 18010781. The reversal of 18010769 is 96701081.
It is an interprime number because it is at equal distance from previous prime (18010757) and next prime (18010781).
It is not a de Polignac number, because 18010769 - 212 = 18006673 is a prime.
It is a super-2 number, since 2×180107692 = 648775599942722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (18013769) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58514 + ... + 58820.
It is an arithmetic number, because the mean of its divisors is an integer number (945560).
Almost surely, 218010769 is an apocalyptic number.
It is an amenable number.
18010769 is a deficient number, since it is larger than the sum of its proper divisors (4682671).
18010769 is a wasteful number, since it uses less digits than its factorization.
18010769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377 (or 360 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 32.
The square root of 18010769 is about 4243.9096361728. The cubic root of 18010769 is about 262.1263933794.
The spelling of 18010769 in words is "eighteen million, ten thousand, seven hundred sixty-nine".
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