Base | Representation |
---|---|
bin | 1101011110001100101… |
… | …0000110100101100101 |
3 | 211010101202100211011221 |
4 | 3113203022012211211 |
5 | 12242444222440031 |
6 | 254153555300341 |
7 | 22502256312544 |
oct | 3274312064545 |
9 | 733352324157 |
10 | 231444343141 |
11 | 8a178330650 |
12 | 38a322aa6b1 |
13 | 18a959ba38b |
14 | b2b82a215b |
15 | 6048ca1a11 |
hex | 35e3286965 |
231444343141 has 8 divisors (see below), whose sum is σ = 254412103968. Its totient is φ = 208797810000.
The previous prime is 231444343087. The next prime is 231444343153. The reversal of 231444343141 is 141343444132.
231444343141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231444343141 - 233 = 222854408549 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231444343097 and 231444343106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231444349141) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 80305410 + ... + 80308291.
It is an arithmetic number, because the mean of its divisors is an integer number (31801512996).
Almost surely, 2231444343141 is an apocalyptic number.
It is an amenable number.
231444343141 is a deficient number, since it is larger than the sum of its proper divisors (22967760827).
231444343141 is a wasteful number, since it uses less digits than its factorization.
231444343141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160613843.
The product of its digits is 55296, while the sum is 34.
Adding to 231444343141 its reverse (141343444132), we get a palindrome (372787787273).
The spelling of 231444343141 in words is "two hundred thirty-one billion, four hundred forty-four million, three hundred forty-three thousand, one hundred forty-one".
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