Base | Representation |
---|---|
bin | 10000111110100110… |
… | …101010000110111111 |
3 | 1202001111022122001202 |
4 | 100332212222012333 |
5 | 244313412044102 |
6 | 12212544130115 |
7 | 1213522030343 |
oct | 207646520677 |
9 | 52044278052 |
10 | 18230190527 |
11 | 7805515a6a |
12 | 364930693b |
13 | 1946b284b3 |
14 | c4d22b623 |
15 | 71a6c7e02 |
hex | 43e9aa1bf |
18230190527 has 8 divisors (see below), whose sum is σ = 18621925920. Its totient is φ = 17840224480.
The previous prime is 18230190479. The next prime is 18230190571. The reversal of 18230190527 is 72509103281.
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 18230190527 - 26 = 18230190463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18230190127) 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, 421499 + ... + 462732.
It is an arithmetic number, because the mean of its divisors is an integer number (2327740740).
Almost surely, 218230190527 is an apocalyptic number.
18230190527 is a deficient number, since it is larger than the sum of its proper divisors (391735393).
18230190527 is an equidigital number, since it uses as much as digits as its factorization.
18230190527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884673.
The product of its (nonzero) digits is 30240, while the sum is 38.
The spelling of 18230190527 in words is "eighteen billion, two hundred thirty million, one hundred ninety thousand, five hundred twenty-seven".
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