Base | Representation |
---|---|
bin | 1110010100111101… |
… | …11101101010111001 |
3 | 201212002000020121100 |
4 | 13022132331222321 |
5 | 111223133104344 |
6 | 3311140002013 |
7 | 361421421414 |
oct | 71236755271 |
9 | 21762006540 |
10 | 7692081849 |
11 | 3297a85a41 |
12 | 15a8090309 |
13 | 95780222a |
14 | 52d832b7b |
15 | 300475569 |
hex | 1ca7bdab9 |
7692081849 has 12 divisors (see below), whose sum is σ = 11138497812. Its totient is φ = 5115264000.
The previous prime is 7692081799. The next prime is 7692081853. The reversal of 7692081849 is 9481802967.
It can be written as a sum of positive squares in 2 ways, for example, as 7395140025 + 296941824 = 85995^2 + 17232^2 .
It is not a de Polignac number, because 7692081849 - 212 = 7692077753 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7692081795 and 7692081804.
It is not an unprimeable number, because it can be changed into a prime (7692081869) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062072 + ... + 1069289.
It is an arithmetic number, because the mean of its divisors is an integer number (928208151).
Almost surely, 27692081849 is an apocalyptic number.
It is an amenable number.
7692081849 is a deficient number, since it is larger than the sum of its proper divisors (3446415963).
7692081849 is a wasteful number, since it uses less digits than its factorization.
7692081849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2131768 (or 2131765 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The square root of 7692081849 is about 87704.5144163058. The cubic root of 7692081849 is about 1974.0037146975.
The spelling of 7692081849 in words is "seven billion, six hundred ninety-two million, eighty-one thousand, eight hundred forty-nine".
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