Base | Representation |
---|---|
bin | 1101111000111011100… |
… | …0100101110101101101 |
3 | 211210220212101022221211 |
4 | 3132032320211311231 |
5 | 12402143310313010 |
6 | 301342023154421 |
7 | 23145143641210 |
oct | 3361670456555 |
9 | 753825338854 |
10 | 238620401005 |
11 | 9221aaa5088 |
12 | 3a2b55a5a11 |
13 | 1966a616a6c |
14 | b79936b777 |
15 | 6318c9608a |
hex | 378ee25d6d |
238620401005 has 16 divisors (see below), whose sum is σ = 327296033280. Its totient is φ = 163602819072.
The previous prime is 238620401003. The next prime is 238620401027. The reversal of 238620401005 is 500104026832.
It is not a de Polignac number, because 238620401005 - 21 = 238620401003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238620401003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211765 + ... + 722554.
It is an arithmetic number, because the mean of its divisors is an integer number (20456002080).
Almost surely, 2238620401005 is an apocalyptic number.
It is an amenable number.
238620401005 is a deficient number, since it is larger than the sum of its proper divisors (88675632275).
238620401005 is an equidigital number, since it uses as much as digits as its factorization.
238620401005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941628.
The product of its (nonzero) digits is 11520, while the sum is 31.
Adding to 238620401005 its reverse (500104026832), we get a palindrome (738724427837).
The spelling of 238620401005 in words is "two hundred thirty-eight billion, six hundred twenty million, four hundred one thousand, five".
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