Base | Representation |
---|---|
bin | 111110111100110… |
… | …0001111000100001 |
3 | 12110012112112221121 |
4 | 1331321201320201 |
5 | 13311212423433 |
6 | 545332252241 |
7 | 103225453453 |
oct | 17571417041 |
9 | 5405475847 |
10 | 2112232993 |
11 | 994333a02 |
12 | 4ab471081 |
13 | 2787b1c10 |
14 | 1607522d3 |
15 | c5681c2d |
hex | 7de61e21 |
2112232993 has 4 divisors (see below), whose sum is σ = 2274712468. Its totient is φ = 1949753520.
The previous prime is 2112232987. The next prime is 2112233029. The reversal of 2112232993 is 3992322112.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 549058624 + 1563174369 = 23432^2 + 39537^2 .
It is not a de Polignac number, because 2112232993 - 29 = 2112232481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2112232943) 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 3 ways as a sum of consecutive naturals, for example, 81239718 + ... + 81239743.
It is an arithmetic number, because the mean of its divisors is an integer number (568678117).
Almost surely, 22112232993 is an apocalyptic number.
It is an amenable number.
2112232993 is a deficient number, since it is larger than the sum of its proper divisors (162479475).
2112232993 is a wasteful number, since it uses less digits than its factorization.
2112232993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162479474.
The product of its digits is 11664, while the sum is 34.
The square root of 2112232993 is about 45959.0360321015. The cubic root of 2112232993 is about 1283.0609103800.
The spelling of 2112232993 in words is "two billion, one hundred twelve million, two hundred thirty-two thousand, nine hundred ninety-three".
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