Base | Representation |
---|---|
bin | 1110011101111… |
… | …0100111101001 |
3 | 11020011220020122 |
4 | 3213132213221 |
5 | 111013240211 |
6 | 10004333025 |
7 | 1334530415 |
oct | 347364751 |
9 | 136156218 |
10 | 60680681 |
11 | 31286326 |
12 | 183a4175 |
13 | c757a39 |
14 | 80b7d45 |
15 | 54d96db |
hex | 39de9e9 |
60680681 has 2 divisors, whose sum is σ = 60680682. Its totient is φ = 60680680.
The previous prime is 60680639. The next prime is 60680689. The reversal of 60680681 is 18608606.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57760000 + 2920681 = 7600^2 + 1709^2 .
It is a cyclic number.
It is not a de Polignac number, because 60680681 - 26 = 60680617 is a prime.
It is a super-2 number, since 2×606806812 = 7364290093247522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (60680689) 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, 30340340 + 30340341.
It is an arithmetic number, because the mean of its divisors is an integer number (30340341).
Almost surely, 260680681 is an apocalyptic number.
It is an amenable number.
60680681 is a deficient number, since it is larger than the sum of its proper divisors (1).
60680681 is an equidigital number, since it uses as much as digits as its factorization.
60680681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 60680681 is about 7789.7805488987. The cubic root of 60680681 is about 392.9616319183.
The spelling of 60680681 in words is "sixty million, six hundred eighty thousand, six hundred eighty-one".
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