| Base | Representation |
|---|---|
| bin | 1101011111000011101… |
| … | …1010011011100000000 |
| 3 | 211010222212000220200000 |
| 4 | 3113300323103130000 |
| 5 | 12243432342012030 |
| 6 | 254232530400000 |
| 7 | 22511062636365 |
| oct | 3276073233400 |
| 9 | 733885026600 |
| 10 | 231675344640 |
| 11 | 8a286768483 |
| 12 | 38a97730000 |
| 13 | 18b0180a45c |
| 14 | b2dac3446c |
| 15 | 605e1d1860 |
| hex | 35f0ed3700 |
231675344640 has 432 divisors, whose sum is σ = 840700879200. Its totient is φ = 61078634496.
The previous prime is 231675344639. The next prime is 231675344689. The reversal of 231675344640 is 46443576132.
231675344640 is a `hidden beast` number, since 2 + 3 + 167 + 5 + 3 + 446 + 40 = 666.
231675344640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (432).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 27678376 + ... + 27686744.
It is an arithmetic number, because the mean of its divisors is an integer number (1946066850).
Almost surely, 2231675344640 is an apocalyptic number.
231675344640 is a gapful number since it is divisible by the number (20) 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 231675344640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420350439600).
231675344640 is an abundant number, since it is smaller than the sum of its proper divisors (609025534560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231675344640 is an frugal number, since it uses more digits than its factorization.
231675344640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8494 (or 8468 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 45.
The spelling of 231675344640 in words is "two hundred thirty-one billion, six hundred seventy-five million, three hundred forty-four thousand, six hundred forty".
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