Base | Representation |
---|---|
bin | 1010100011110011110… |
… | …1100111010110010001 |
3 | 122100020212120112121221 |
4 | 2220330331213112101 |
5 | 10433012310130340 |
6 | 215201140045041 |
7 | 16051354360663 |
oct | 2507475472621 |
9 | 570225515557 |
10 | 181411411345 |
11 | 6aa3301543a |
12 | 2b1aa393781 |
13 | 1415118a0a8 |
14 | 8acd43c533 |
15 | 4abb5a444a |
hex | 2a3cf67591 |
181411411345 has 8 divisors (see below), whose sum is σ = 217751475240. Its totient is φ = 145090608000.
The previous prime is 181411411331. The next prime is 181411411367. The reversal of 181411411345 is 543114114181.
It can be written as a sum of positive squares in 4 ways, for example, as 84028095376 + 97383315969 = 289876^2 + 312063^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 181411411345 - 223 = 181403022737 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 181411411345.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794406 + ... + 4832095.
It is an arithmetic number, because the mean of its divisors is an integer number (27218934405).
Almost surely, 2181411411345 is an apocalyptic number.
It is an amenable number.
181411411345 is a deficient number, since it is larger than the sum of its proper divisors (36340063895).
181411411345 is an equidigital number, since it uses as much as digits as its factorization.
181411411345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9630275.
The product of its digits is 7680, while the sum is 34.
The spelling of 181411411345 in words is "one hundred eighty-one billion, four hundred eleven million, four hundred eleven thousand, three hundred forty-five".
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