Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00000011111010100 |
3 | 222011001122220111010 |
4 | 21123313200133110 |
5 | 131222042242434 |
6 | 4353151012220 |
7 | 506026611636 |
oct | 113367403724 |
9 | 28131586433 |
10 | 10131212244 |
11 | 432989478a |
12 | 1b68b0a070 |
13 | c55c3b95a |
14 | 6c175aa56 |
15 | 3e467a9e9 |
hex | 25bde07d4 |
10131212244 has 24 divisors (see below), whose sum is σ = 24085524960. Its totient is φ = 3313352224.
The previous prime is 10131212233. The next prime is 10131212249. The reversal of 10131212244 is 44221213101.
It is a self number, because there is not a number n which added to its sum of digits gives 10131212244.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131212249) 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, 7964154 + ... + 7965425.
It is an arithmetic number, because the mean of its divisors is an integer number (1003563540).
Almost surely, 210131212244 is an apocalyptic number.
It is an amenable number.
10131212244 is an abundant number, since it is smaller than the sum of its proper divisors (13954312716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131212244 is a wasteful number, since it uses less digits than its factorization.
10131212244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15929639 (or 15929637 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 10131212244 its reverse (44221213101), we get a palindrome (54352425345).
The spelling of 10131212244 in words is "ten billion, one hundred thirty-one million, two hundred twelve thousand, two hundred forty-four".
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