Base | Representation |
---|---|
bin | 10001001110001111… |
… | …000000000010011101 |
3 | 1202201202202111020112 |
4 | 101032033000002131 |
5 | 300333030034344 |
6 | 12254552455405 |
7 | 1223155004420 |
oct | 211617000235 |
9 | 52652674215 |
10 | 18492424349 |
11 | 792a545133 |
12 | 37010aa565 |
13 | 1989262439 |
14 | c75dad9b7 |
15 | 733726c9e |
hex | 44e3c009d |
18492424349 has 16 divisors (see below), whose sum is σ = 21342696960. Its totient is φ = 15694560000.
The previous prime is 18492424337. The next prime is 18492424387. The reversal of 18492424349 is 94342429481.
It is not a de Polignac number, because 18492424349 - 24 = 18492424333 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18492424297 and 18492424306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18492423349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810599 + ... + 833099.
It is an arithmetic number, because the mean of its divisors is an integer number (1333918560).
Almost surely, 218492424349 is an apocalyptic number.
It is an amenable number.
18492424349 is a deficient number, since it is larger than the sum of its proper divisors (2850272611).
18492424349 is a wasteful number, since it uses less digits than its factorization.
18492424349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23660.
The product of its digits is 1990656, while the sum is 50.
The spelling of 18492424349 in words is "eighteen billion, four hundred ninety-two million, four hundred twenty-four thousand, three hundred forty-nine".
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