Base | Representation |
---|---|
bin | 110100100101000100000000… |
… | …100011101100101101110100 |
3 | 1010022202211122120220112022022 |
4 | 310211010000203230231310 |
5 | 220302210430421322012 |
6 | 2135452351054452312 |
7 | 66464632120324643 |
oct | 6445040043545564 |
9 | 1108684576815268 |
10 | 231245343542132 |
11 | 6775566596a857 |
12 | 21b28a91804098 |
13 | 9c0545b12b91a |
14 | 411649763335a |
15 | 1bb034e702472 |
hex | d251008ecb74 |
231245343542132 has 24 divisors (see below), whose sum is σ = 413217231792456. Its totient is φ = 113206399538688.
The previous prime is 231245343542099. The next prime is 231245343542137.
231245343542132 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 1857779904016 + 229387563638116 = 1363004^2 + 15145546^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231245343542137) 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, 2890237763 + ... + 2890317770.
It is an arithmetic number, because the mean of its divisors is an integer number (17217384658019).
Almost surely, 2231245343542132 is an apocalyptic number.
It is an amenable number.
231245343542132 is a deficient number, since it is larger than the sum of its proper divisors (181971888250324).
231245343542132 is a wasteful number, since it uses less digits than its factorization.
231245343542132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5780555747 (or 5780555745 counting only the distinct ones).
The product of its digits is 2073600, while the sum is 44.
The spelling of 231245343542132 in words is "two hundred thirty-one trillion, two hundred forty-five billion, three hundred forty-three million, five hundred forty-two thousand, one hundred thirty-two".
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