Base | Representation |
---|---|
bin | 1110010011100110… |
… | …01011100001011001 |
3 | 201211021102010022001 |
4 | 13021303023201121 |
5 | 111212213313444 |
6 | 3310050001001 |
7 | 361222026133 |
oct | 71163134131 |
9 | 21737363261 |
10 | 7680604249 |
11 | 329155671a |
12 | 15a4276161 |
13 | 955313c56 |
14 | 52c0c6053 |
15 | 2ee4598d4 |
hex | 1c9ccb859 |
7680604249 has 2 divisors, whose sum is σ = 7680604250. Its totient is φ = 7680604248.
The previous prime is 7680604193. The next prime is 7680604271. The reversal of 7680604249 is 9424060867.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6894811225 + 785793024 = 83035^2 + 28032^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7680604249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7680604199 and 7680604208.
It is not a weakly prime, because it can be changed into another prime (7680604049) 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 as a sum of consecutive naturals, namely, 3840302124 + 3840302125.
It is an arithmetic number, because the mean of its divisors is an integer number (3840302125).
Almost surely, 27680604249 is an apocalyptic number.
It is an amenable number.
7680604249 is a deficient number, since it is larger than the sum of its proper divisors (1).
7680604249 is an equidigital number, since it uses as much as digits as its factorization.
7680604249 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 580608, while the sum is 46.
The square root of 7680604249 is about 87639.0566414313. The cubic root of 7680604249 is about 1973.0214013775.
The spelling of 7680604249 in words is "seven billion, six hundred eighty million, six hundred four thousand, two hundred forty-nine".
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