Base | Representation |
---|---|
bin | 111001101001111101… |
… | …0011010100011011111 |
3 | 102211120211121200212112 |
4 | 1303103322122203133 |
5 | 4012032440434413 |
6 | 132513552024235 |
7 | 11642143643624 |
oct | 1632372324337 |
9 | 384524550775 |
10 | 123814389983 |
11 | 48566aa4839 |
12 | 1bbb523207b |
13 | b8a251c56b |
14 | 5dc7b8234b |
15 | 3349cb52a8 |
hex | 1cd3e9a8df |
123814389983 has 4 divisors (see below), whose sum is σ = 123818763000. Its totient is φ = 123810016968.
The previous prime is 123814389977. The next prime is 123814389991. The reversal of 123814389983 is 389983418321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389983418321 = 7 ⋅55711916903.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123814389983 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 (123814389883) 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 3 ways as a sum of consecutive naturals, for example, 2143760 + ... + 2200757.
It is an arithmetic number, because the mean of its divisors is an integer number (30954690750).
Almost surely, 2123814389983 is an apocalyptic number.
123814389983 is a deficient number, since it is larger than the sum of its proper divisors (4373017).
123814389983 is an equidigital number, since it uses as much as digits as its factorization.
123814389983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4373016.
The product of its digits is 8957952, while the sum is 59.
The spelling of 123814389983 in words is "one hundred twenty-three billion, eight hundred fourteen million, three hundred eighty-nine thousand, nine hundred eighty-three".
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