Base | Representation |
---|---|
bin | 111100100010011… |
… | …1111011000100010 |
3 | 12020120100100011110 |
4 | 1321010333120202 |
5 | 13130011220310 |
6 | 533322524150 |
7 | 101224126041 |
oct | 17104773042 |
9 | 5216310143 |
10 | 2031351330 |
11 | 952710358 |
12 | 488366656 |
13 | 264b03448 |
14 | 153ada558 |
15 | bd506d20 |
hex | 7913f622 |
2031351330 has 32 divisors (see below), whose sum is σ = 4877496000. Its totient is φ = 541443392.
The previous prime is 2031351317. The next prime is 2031351337. The reversal of 2031351330 is 331531302.
2031351330 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2031351297 and 2031351306.
It is not an unprimeable number, because it can be changed into a prime (2031351337) 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, 55696 + ... + 84644.
It is an arithmetic number, because the mean of its divisors is an integer number (152421750).
Almost surely, 22031351330 is an apocalyptic number.
2031351330 is an abundant number, since it is smaller than the sum of its proper divisors (2846144670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031351330 is a wasteful number, since it uses less digits than its factorization.
2031351330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31298.
The product of its (nonzero) digits is 810, while the sum is 21.
The square root of 2031351330 is about 45070.5150846981. The cubic root of 2031351330 is about 1266.4703135927.
Adding to 2031351330 its reverse (331531302), we get a palindrome (2362882632).
The spelling of 2031351330 in words is "two billion, thirty-one million, three hundred fifty-one thousand, three hundred thirty".
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