Base | Representation |
---|---|
bin | 10001001101001110… |
… | …001010111100010110 |
3 | 1202200120210001220101 |
4 | 101031032022330112 |
5 | 300314202222104 |
6 | 12253144324314 |
7 | 1222560363253 |
oct | 211516127426 |
9 | 52616701811 |
10 | 18475429654 |
11 | 7920997830 |
12 | 36b747369a |
13 | 1985891bc6 |
14 | c73a2842a |
15 | 731ebb5a4 |
hex | 44d38af16 |
18475429654 has 32 divisors (see below), whose sum is σ = 30708066816. Its totient is φ = 8266564320.
The previous prime is 18475429639. The next prime is 18475429663. The reversal of 18475429654 is 45692457481.
It is a junction number, because it is equal to n+sod(n) for n = 18475429595 and 18475429604.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487539 + ... + 524065.
It is an arithmetic number, because the mean of its divisors is an integer number (959627088).
Almost surely, 218475429654 is an apocalyptic number.
18475429654 is a deficient number, since it is larger than the sum of its proper divisors (12232637162).
18475429654 is a wasteful number, since it uses less digits than its factorization.
18475429654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36900.
The product of its digits is 9676800, while the sum is 55.
The spelling of 18475429654 in words is "eighteen billion, four hundred seventy-five million, four hundred twenty-nine thousand, six hundred fifty-four".
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