Base | Representation |
---|---|
bin | 1011101010011111… |
… | …0101000011101000 |
3 | 22002012112102211020 |
4 | 2322213311003220 |
5 | 22403014044422 |
6 | 1234404132440 |
7 | 140406041646 |
oct | 27247650350 |
9 | 8065472736 |
10 | 3131003112 |
11 | 1367407a86 |
12 | 734697120 |
13 | 3ab891783 |
14 | 219b88196 |
15 | 134d1e95c |
hex | ba9f50e8 |
3131003112 has 32 divisors (see below), whose sum is σ = 7837975680. Its totient is φ = 1042272000.
The previous prime is 3131003111. The next prime is 3131003123. The reversal of 3131003112 is 2113001313.
It is a junction number, because it is equal to n+sod(n) for n = 3131003091 and 3131003100.
It is not an unprimeable number, because it can be changed into a prime (3131003111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68833 + ... + 104880.
It is an arithmetic number, because the mean of its divisors is an integer number (244936740).
Almost surely, 23131003112 is an apocalyptic number.
It is an amenable number.
3131003112 is an abundant number, since it is smaller than the sum of its proper divisors (4706972568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131003112 is a wasteful number, since it uses less digits than its factorization.
3131003112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174473 (or 174469 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3131003112 is about 55955.3671420356. The cubic root of 3131003112 is about 1462.9444412704.
Adding to 3131003112 its reverse (2113001313), we get a palindrome (5244004425).
The spelling of 3131003112 in words is "three billion, one hundred thirty-one million, three thousand, one hundred twelve".
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