Base | Representation |
---|---|
bin | 1110110011001001… |
… | …01011011001010001 |
3 | 202111201100220200200 |
4 | 13121210223121101 |
5 | 112232440104342 |
6 | 3352222005413 |
7 | 400614260316 |
oct | 73144533121 |
9 | 22451326620 |
10 | 7945238097 |
11 | 3407974a85 |
12 | 1658a16869 |
13 | 9980ab424 |
14 | 5552d0d0d |
15 | 3177ce94c |
hex | 1d992b651 |
7945238097 has 12 divisors (see below), whose sum is σ = 11743349904. Its totient is φ = 5173643160.
The previous prime is 7945238071. The next prime is 7945238107. The reversal of 7945238097 is 7908325497.
7945238097 is a `hidden beast` number, since 79 + 452 + 38 + 0 + 97 = 666.
It is not a de Polignac number, because 7945238097 - 210 = 7945237073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7945238047) 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 11 ways as a sum of consecutive naturals, for example, 10264779 + ... + 10265552.
It is an arithmetic number, because the mean of its divisors is an integer number (978612492).
Almost surely, 27945238097 is an apocalyptic number.
It is an amenable number.
7945238097 is a deficient number, since it is larger than the sum of its proper divisors (3798111807).
7945238097 is a wasteful number, since it uses less digits than its factorization.
7945238097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20530380 (or 20530377 counting only the distinct ones).
The product of its (nonzero) digits is 3810240, while the sum is 54.
The square root of 7945238097 is about 89136.0650746935. The cubic root of 7945238097 is about 1995.4260555738.
The spelling of 7945238097 in words is "seven billion, nine hundred forty-five million, two hundred thirty-eight thousand, ninety-seven".
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