Base | Representation |
---|---|
bin | 11101110010110000001001… |
… | …100110011101011000100110 |
3 | 122011221102222022022211111211 |
4 | 131302300021212131120212 |
5 | 114133303013433440032 |
6 | 1142402453210222034 |
7 | 36412451623422166 |
oct | 3562601146353046 |
9 | 564842868284454 |
10 | 131031023343142 |
11 | 38828a43783a8a |
12 | 1284283472491a |
13 | 5816231c36cb0 |
14 | 244dd149165a6 |
15 | 102363e6cb747 |
hex | 772c0999d626 |
131031023343142 has 32 divisors (see below), whose sum is σ = 212200909905600. Its totient is φ = 60322951628928.
The previous prime is 131031023343133. The next prime is 131031023343167. The reversal of 131031023343142 is 241343320130131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44091508 + ... + 46969384.
It is an arithmetic number, because the mean of its divisors is an integer number (6631278434550).
Almost surely, 2131031023343142 is an apocalyptic number.
131031023343142 is a deficient number, since it is larger than the sum of its proper divisors (81169886562458).
131031023343142 is a wasteful number, since it uses less digits than its factorization.
131031023343142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2882320.
The product of its (nonzero) digits is 15552, while the sum is 31.
Adding to 131031023343142 its reverse (241343320130131), we get a palindrome (372374343473273).
The spelling of 131031023343142 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-three million, three hundred forty-three thousand, one hundred forty-two".
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