Base | Representation |
---|---|
bin | 110011011001000101… |
… | …010011000001001111 |
3 | 12021102201000100221122 |
4 | 303121011103001033 |
5 | 1401003000331142 |
6 | 41203342151155 |
7 | 3662311206014 |
oct | 633105230117 |
9 | 167381010848 |
10 | 55181652047 |
11 | 21447670a15 |
12 | a8402824bb |
13 | 5285430422 |
14 | 295699970b |
15 | 167e72e1d2 |
hex | cd915304f |
55181652047 has 2 divisors, whose sum is σ = 55181652048. Its totient is φ = 55181652046.
The previous prime is 55181652007. The next prime is 55181652059. The reversal of 55181652047 is 74025618155.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-55181652047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55181651989 and 55181652007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55181652007) 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, 27590826023 + 27590826024.
It is an arithmetic number, because the mean of its divisors is an integer number (27590826024).
Almost surely, 255181652047 is an apocalyptic number.
55181652047 is a deficient number, since it is larger than the sum of its proper divisors (1).
55181652047 is an equidigital number, since it uses as much as digits as its factorization.
55181652047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336000, while the sum is 44.
The spelling of 55181652047 in words is "fifty-five billion, one hundred eighty-one million, six hundred fifty-two thousand, forty-seven".
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