Base | Representation |
---|---|
bin | 1001000100011… |
… | …10011000101001 |
3 | 12022011022002000 |
4 | 10202032120221 |
5 | 123434040211 |
6 | 11314401213 |
7 | 1612450365 |
oct | 442163051 |
9 | 168138060 |
10 | 76080681 |
11 | 39a445a6 |
12 | 21590209 |
13 | 129ba471 |
14 | a1662a5 |
15 | 6a2c656 |
hex | 488e629 |
76080681 has 16 divisors (see below), whose sum is σ = 113065920. Its totient is φ = 50561280.
The previous prime is 76080679. The next prime is 76080709. The reversal of 76080681 is 18608067.
It is not a de Polignac number, because 76080681 - 21 = 76080679 is a prime.
It is a super-2 number, since 2×760806812 = 11576540042847522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (76080581) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4681 + ... + 13193.
It is an arithmetic number, because the mean of its divisors is an integer number (7066620).
Almost surely, 276080681 is an apocalyptic number.
It is an amenable number.
76080681 is a deficient number, since it is larger than the sum of its proper divisors (36985239).
76080681 is a wasteful number, since it uses less digits than its factorization.
76080681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8853 (or 8847 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 76080681 is about 8722.4240323433. The cubic root of 76080681 is about 423.7321959784.
The spelling of 76080681 in words is "seventy-six million, eighty thousand, six hundred eighty-one".
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