Base | Representation |
---|---|
bin | 1110111000111100… |
… | …00001111010110001 |
3 | 202122002210111010102 |
4 | 13130132001322301 |
5 | 112332404430433 |
6 | 3401115242145 |
7 | 402044260025 |
oct | 73436017261 |
9 | 22562714112 |
10 | 7993826993 |
11 | 3432341599 |
12 | 1671149355 |
13 | 9a5191459 |
14 | 55b93c385 |
15 | 31bbcb4e8 |
hex | 1dc781eb1 |
7993826993 has 2 divisors, whose sum is σ = 7993826994. Its totient is φ = 7993826992.
The previous prime is 7993826983. The next prime is 7993827007. The reversal of 7993826993 is 3996283997.
7993826993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7345004209 + 648822784 = 85703^2 + 25472^2 .
It is a cyclic number.
It is not a de Polignac number, because 7993826993 - 230 = 6920085169 is a prime.
It is not a weakly prime, because it can be changed into another prime (7993826983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996913496 + 3996913497.
It is an arithmetic number, because the mean of its divisors is an integer number (3996913497).
Almost surely, 27993826993 is an apocalyptic number.
It is an amenable number.
7993826993 is a deficient number, since it is larger than the sum of its proper divisors (1).
7993826993 is an equidigital number, since it uses as much as digits as its factorization.
7993826993 is an evil number, because the sum of its binary digits is even.
The product of its digits is 39680928, while the sum is 65.
The square root of 7993826993 is about 89408.2042823812. The cubic root of 7993826993 is about 1999.4854503807.
The spelling of 7993826993 in words is "seven billion, nine hundred ninety-three million, eight hundred twenty-six thousand, nine hundred ninety-three".
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