Base | Representation |
---|---|
bin | 1110100101110… |
… | …0011010000011 |
3 | 11021011002000002 |
4 | 3221130122003 |
5 | 111131232112 |
6 | 10023350215 |
7 | 1342104503 |
oct | 351343203 |
9 | 137132002 |
10 | 61195907 |
11 | 315a8433 |
12 | 185b236b |
13 | c8a83c6 |
14 | 81ada03 |
15 | 558c1c2 |
hex | 3a5c683 |
61195907 has 2 divisors, whose sum is σ = 61195908. Its totient is φ = 61195906.
The previous prime is 61195873. The next prime is 61195913. The reversal of 61195907 is 70959116.
61195907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 61195907 - 26 = 61195843 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (61195957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30597953 + 30597954.
It is an arithmetic number, because the mean of its divisors is an integer number (30597954).
Almost surely, 261195907 is an apocalyptic number.
61195907 is a deficient number, since it is larger than the sum of its proper divisors (1).
61195907 is an equidigital number, since it uses as much as digits as its factorization.
61195907 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17010, while the sum is 38.
The square root of 61195907 is about 7822.7812828942. The cubic root of 61195907 is about 394.0706818317.
The spelling of 61195907 in words is "sixty-one million, one hundred ninety-five thousand, nine hundred seven".
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