Base | Representation |
---|---|
bin | 110100100111111100101100… |
… | …101011100001010100001001 |
3 | 1010100110210112001210111010210 |
4 | 310213330230223201110021 |
5 | 220313433044441120310 |
6 | 2140123425051231333 |
7 | 66515152313664126 |
oct | 6447745453412411 |
9 | 1110423461714123 |
10 | 231443652285705 |
11 | 67821779a9aa72 |
12 | 21b5b3b6a48549 |
13 | 9c1b072c43242 |
14 | 4121d0ac6774d |
15 | 1bb55a944d820 |
hex | d27f2cae1509 |
231443652285705 has 16 divisors (see below), whose sum is σ = 370310052309120. Its totient is φ = 123436545001728.
The previous prime is 231443652285689. The next prime is 231443652285733. The reversal of 231443652285705 is 507582256344132.
231443652285705 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 231443652285705 - 24 = 231443652285689 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34173204 + ... + 40381866.
It is an arithmetic number, because the mean of its divisors is an integer number (23144378269320).
Almost surely, 2231443652285705 is an apocalyptic number.
It is an amenable number.
231443652285705 is a deficient number, since it is larger than the sum of its proper divisors (138866400023415).
231443652285705 is a wasteful number, since it uses less digits than its factorization.
231443652285705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8693840.
The product of its (nonzero) digits is 48384000, while the sum is 57.
The spelling of 231443652285705 in words is "two hundred thirty-one trillion, four hundred forty-three billion, six hundred fifty-two million, two hundred eighty-five thousand, seven hundred five".
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