Base | Representation |
---|---|
bin | 110100100011100011111111… |
… | …010010110000110010011100 |
3 | 1010022101222112100020220210112 |
4 | 310203203333102300302130 |
5 | 220244013303214010134 |
6 | 2135333140334425152 |
7 | 66454322155161560 |
oct | 6443437722606234 |
9 | 1108358470226715 |
10 | 231142243110044 |
11 | 67715969408192 |
12 | 21b10ab96621b8 |
13 | 9bc880a1a25a6 |
14 | 41114b69056a0 |
15 | 1bac8181d61ce |
hex | d238ff4b0c9c |
231142243110044 has 24 divisors (see below), whose sum is σ = 462285735475200. Its totient is φ = 99060693635376.
The previous prime is 231142243110043. The next prime is 231142243110101. The reversal of 231142243110044 is 440011342241132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231142243110043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426692 + ... + 21505035.
It is an arithmetic number, because the mean of its divisors is an integer number (19261905644800).
Almost surely, 2231142243110044 is an apocalyptic number.
It is an amenable number.
231142243110044 is an abundant number, since it is smaller than the sum of its proper divisors (231143492365156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231142243110044 is a wasteful number, since it uses less digits than its factorization.
231142243110044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22308137 (or 22308135 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
Adding to 231142243110044 its reverse (440011342241132), we get a palindrome (671153585351176).
The spelling of 231142243110044 in words is "two hundred thirty-one trillion, one hundred forty-two billion, two hundred forty-three million, one hundred ten thousand, forty-four".
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