Base | Representation |
---|---|
bin | 11101110010011100111101… |
… | …000101001110100011110101 |
3 | 122011212110202212211210202212 |
4 | 131302130331011032203311 |
5 | 114132433311011213141 |
6 | 1142345204050143205 |
7 | 36411122100611222 |
oct | 3562347505164365 |
9 | 564773685753685 |
10 | 131010412210421 |
11 | 388202272929a7 |
12 | 1283a841b81b05 |
13 | 58142c8a66483 |
14 | 244cd1b3ca949 |
15 | 1022d34e942eb |
hex | 77273d14e8f5 |
131010412210421 has 16 divisors (see below), whose sum is σ = 140625890064240. Its totient is φ = 121805282027520.
The previous prime is 131010412210369. The next prime is 131010412210429. The reversal of 131010412210421 is 124012214010131.
It can be written as a sum of positive squares in 8 ways, for example, as 1597354738225 + 129413057472196 = 1263865^2 + 11375986^2 .
It is not a de Polignac number, because 131010412210421 - 214 = 131010412194037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131010412210429) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629263490 + ... + 629471651.
It is an arithmetic number, because the mean of its divisors is an integer number (8789118129015).
Almost surely, 2131010412210421 is an apocalyptic number.
It is an amenable number.
131010412210421 is a deficient number, since it is larger than the sum of its proper divisors (9615477853819).
131010412210421 is a wasteful number, since it uses less digits than its factorization.
131010412210421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1258735304.
The product of its (nonzero) digits is 384, while the sum is 23.
Adding to 131010412210421 its reverse (124012214010131), we get a palindrome (255022626220552).
The spelling of 131010412210421 in words is "one hundred thirty-one trillion, ten billion, four hundred twelve million, two hundred ten thousand, four hundred twenty-one".
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