Base | Representation |
---|---|
bin | 10000110001110000… |
… | …110001101111101101 |
3 | 1201111110220120201202 |
4 | 100301300301233231 |
5 | 243343233130222 |
6 | 12135330215245 |
7 | 1205264521142 |
oct | 206160615755 |
9 | 51443816652 |
10 | 18014739437 |
11 | 770493a412 |
12 | 35a9124525 |
13 | 19112c1446 |
14 | c2c7863c9 |
15 | 70681a892 |
hex | 431c31bed |
18014739437 has 8 divisors (see below), whose sum is σ = 18597422592. Its totient is φ = 17432154000.
The previous prime is 18014739371. The next prime is 18014739473. The reversal of 18014739437 is 73493741081.
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 18014739437 - 214 = 18014723053 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18014739391 and 18014739400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18014739497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622943 + ... + 651219.
It is an arithmetic number, because the mean of its divisors is an integer number (2324677824).
Almost surely, 218014739437 is an apocalyptic number.
It is an amenable number.
18014739437 is a deficient number, since it is larger than the sum of its proper divisors (582683155).
18014739437 is a wasteful number, since it uses less digits than its factorization.
18014739437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48859.
The product of its (nonzero) digits is 508032, while the sum is 47.
The spelling of 18014739437 in words is "eighteen billion, fourteen million, seven hundred thirty-nine thousand, four hundred thirty-seven".
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