Base | Representation |
---|---|
bin | 1101000011010… |
… | …10000000111111 |
3 | 21122000110202100 |
4 | 12201222000333 |
5 | 211012024033 |
6 | 14510400143 |
7 | 2466421404 |
oct | 641520077 |
9 | 248013670 |
10 | 109486143 |
11 | 56890618 |
12 | 30800053 |
13 | 198b5500 |
14 | 107802ab |
15 | 992a513 |
hex | 686a03f |
109486143 has 18 divisors (see below), whose sum is σ = 171249936. Its totient is φ = 67375152.
The previous prime is 109486129. The next prime is 109486147. The reversal of 109486143 is 341684901.
It is not a de Polignac number, because 109486143 - 29 = 109485631 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 109486098 and 109486107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109486147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34471 + ... + 37512.
Almost surely, 2109486143 is an apocalyptic number.
109486143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
109486143 is a deficient number, since it is larger than the sum of its proper divisors (61763793).
109486143 is a wasteful number, since it uses less digits than its factorization.
109486143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72015 (or 71999 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 109486143 is about 10463.5626342083. The cubic root of 109486143 is about 478.3947285966.
The spelling of 109486143 in words is "one hundred nine million, four hundred eighty-six thousand, one hundred forty-three".
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