| Base | Representation |
|---|---|
| bin | 1101011111100101010… |
| … | …1101100000001101000 |
| 3 | 211011100200121021101000 |
| 4 | 3113321111230001220 |
| 5 | 12244230004310244 |
| 6 | 254254531355000 |
| 7 | 22514425362330 |
| oct | 3277125540150 |
| 9 | 734320537330 |
| 10 | 231816478824 |
| 11 | 8a3493a46a7 |
| 12 | 38b16a52a60 |
| 13 | 18b24b23ac8 |
| 14 | b3118920c0 |
| 15 | 606b7ae169 |
| hex | 35f956c068 |
231816478824 has 128 divisors (see below), whose sum is σ = 737288236800. Its totient is φ = 66110618880.
The previous prime is 231816478813. The next prime is 231816478847. The reversal of 231816478824 is 428874618132.
231816478824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676294 + ... + 959690.
It is an arithmetic number, because the mean of its divisors is an integer number (5760064350).
Almost surely, 2231816478824 is an apocalyptic number.
231816478824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231816478824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368644118400).
231816478824 is an abundant number, since it is smaller than the sum of its proper divisors (505471757976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231816478824 is a wasteful number, since it uses less digits than its factorization.
231816478824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283960 (or 283950 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 54.
The spelling of 231816478824 in words is "two hundred thirty-one billion, eight hundred sixteen million, four hundred seventy-eight thousand, eight hundred twenty-four".
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