Base | Representation |
---|---|
bin | 1000010100000100… |
… | …1100101100000101 |
3 | 12202112022021201020 |
4 | 2011001030230011 |
5 | 14032302340340 |
6 | 1005240421353 |
7 | 106205666616 |
oct | 20501145405 |
9 | 5675267636 |
10 | 2231683845 |
11 | a45800116 |
12 | 523477859 |
13 | 297475bb1 |
14 | 172567c0d |
15 | d0dc99d0 |
hex | 8504cb05 |
2231683845 has 32 divisors (see below), whose sum is σ = 3667023360. Its totient is φ = 1158405120.
The previous prime is 2231683843. The next prime is 2231683889. The reversal of 2231683845 is 5483861322.
It is not a de Polignac number, because 2231683845 - 21 = 2231683843 is a prime.
It is a super-3 number, since 3×22316838453 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2231683797 and 2231683806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231683843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118861 + ... + 136349.
It is an arithmetic number, because the mean of its divisors is an integer number (114594480).
Almost surely, 22231683845 is an apocalyptic number.
It is an amenable number.
2231683845 is a deficient number, since it is larger than the sum of its proper divisors (1435339515).
2231683845 is a wasteful number, since it uses less digits than its factorization.
2231683845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17725.
The product of its digits is 276480, while the sum is 42.
The square root of 2231683845 is about 47240.7011484800. The cubic root of 2231683845 is about 1306.8053081220.
The spelling of 2231683845 in words is "two billion, two hundred thirty-one million, six hundred eighty-three thousand, eight hundred forty-five".
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