Base | Representation |
---|---|
bin | 10001000001111001… |
… | …010100001100010001 |
3 | 1202012100020020020121 |
4 | 101001321110030101 |
5 | 244422031210022 |
6 | 12222235510241 |
7 | 1215062306245 |
oct | 210171241421 |
9 | 52170206217 |
10 | 18285413137 |
11 | 7833703592 |
12 | 36638b8381 |
13 | 19553c1ab4 |
14 | c566c4425 |
15 | 7204852c7 |
hex | 441e54311 |
18285413137 has 8 divisors (see below), whose sum is σ = 18437400576. Its totient is φ = 18133551072.
The previous prime is 18285413117. The next prime is 18285413141. The reversal of 18285413137 is 73131458281.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18285413137 - 223 = 18277024529 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18285413093 and 18285413102.
It is not an unprimeable number, because it can be changed into a prime (18285413117) 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 7 ways as a sum of consecutive naturals, for example, 273828 + ... + 333994.
It is an arithmetic number, because the mean of its divisors is an integer number (2304675072).
Almost surely, 218285413137 is an apocalyptic number.
It is an amenable number.
18285413137 is a deficient number, since it is larger than the sum of its proper divisors (151987439).
18285413137 is a wasteful number, since it uses less digits than its factorization.
18285413137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62687.
The product of its digits is 161280, while the sum is 43.
The spelling of 18285413137 in words is "eighteen billion, two hundred eighty-five million, four hundred thirteen thousand, one hundred thirty-seven".
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