Base | Representation |
---|---|
bin | 1011101010100011… |
… | …0000001010101110 |
3 | 22002012222201221120 |
4 | 2322220300022232 |
5 | 22403044321410 |
6 | 1234413241410 |
7 | 140411100561 |
oct | 27250601256 |
9 | 8065881846 |
10 | 3131245230 |
11 | 1367562983 |
12 | 734793266 |
13 | 3ab947a39 |
14 | 219c0c4d8 |
15 | 134d6b570 |
hex | baa302ae |
3131245230 has 32 divisors (see below), whose sum is σ = 7516605600. Its totient is φ = 834819072.
The previous prime is 3131245207. The next prime is 3131245237. The reversal of 3131245230 is 325421313.
It is a self number, because there is not a number n which added to its sum of digits gives 3131245230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131245237) 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, 189126 + ... + 205014.
It is an arithmetic number, because the mean of its divisors is an integer number (234893925).
Almost surely, 23131245230 is an apocalyptic number.
3131245230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3131245230 is an abundant number, since it is smaller than the sum of its proper divisors (4385360370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131245230 is a wasteful number, since it uses less digits than its factorization.
3131245230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22468.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 3131245230 is about 55957.5305924055. The cubic root of 3131245230 is about 1462.9821497448.
Adding to 3131245230 its reverse (325421313), we get a palindrome (3456666543).
The spelling of 3131245230 in words is "three billion, one hundred thirty-one million, two hundred forty-five thousand, two hundred thirty".
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