Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00011011011111000 |
3 | 222011001200112001002 |
4 | 21123313203123320 |
5 | 131222043134222 |
6 | 4353151144132 |
7 | 506026662056 |
oct | 113367433370 |
9 | 28131615032 |
10 | 10131224312 |
11 | 43298a2860 |
12 | 1b68b15048 |
13 | c55c442b1 |
14 | 6c17611d6 |
15 | 3e467e392 |
hex | 25bde36f8 |
10131224312 has 64 divisors (see below), whose sum is σ = 21262348800. Its totient is φ = 4485600000.
The previous prime is 10131224293. The next prime is 10131224329. The reversal of 10131224312 is 21342213101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2707739 + ... + 2711477.
It is an arithmetic number, because the mean of its divisors is an integer number (332224200).
Almost surely, 210131224312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10131224312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10631174400).
10131224312 is an abundant number, since it is smaller than the sum of its proper divisors (11131124488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131224312 is a wasteful number, since it uses less digits than its factorization.
10131224312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4548 (or 4544 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 10131224312 its reverse (21342213101), we get a palindrome (31473437413).
The spelling of 10131224312 in words is "ten billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred twelve".
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