Base | Representation |
---|---|
bin | 10001001011110110… |
… | …110000010011111001 |
3 | 1202121222122211120222 |
4 | 101023312300103321 |
5 | 300242320422131 |
6 | 12251005225425 |
7 | 1222161532013 |
oct | 211366602371 |
9 | 52558584528 |
10 | 18452514041 |
11 | 7909a65a05 |
12 | 36ab862275 |
13 | 1980bca680 |
14 | c709811b3 |
15 | 72ee9187b |
hex | 44bdb04f9 |
18452514041 has 4 divisors (see below), whose sum is σ = 19871938212. Its totient is φ = 17033089872.
The previous prime is 18452513957. The next prime is 18452514043. The reversal of 18452514041 is 14041525481.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 12462373225 + 5990140816 = 111635^2 + 77396^2 .
It is a cyclic number.
It is not a de Polignac number, because 18452514041 - 226 = 18385405177 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18452513992 and 18452514010.
It is not an unprimeable number, because it can be changed into a prime (18452514043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709712066 + ... + 709712091.
It is an arithmetic number, because the mean of its divisors is an integer number (4967984553).
Almost surely, 218452514041 is an apocalyptic number.
It is an amenable number.
18452514041 is a deficient number, since it is larger than the sum of its proper divisors (1419424171).
18452514041 is a wasteful number, since it uses less digits than its factorization.
18452514041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1419424170.
The product of its (nonzero) digits is 25600, while the sum is 35.
The spelling of 18452514041 in words is "eighteen billion, four hundred fifty-two million, five hundred fourteen thousand, forty-one".
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