Base | Representation |
---|---|
bin | 110010111010101011… |
… | …010111111101110111 |
3 | 12020010011010222220002 |
4 | 302322223113331313 |
5 | 1343431403240322 |
6 | 41041000501515 |
7 | 3643545265103 |
oct | 627253277567 |
9 | 166104128802 |
10 | 54671540087 |
11 | 2120572828a |
12 | a71947a89b |
13 | 5203847828 |
14 | 2908d30903 |
15 | 164ea69c92 |
hex | cbaad7f77 |
54671540087 has 2 divisors, whose sum is σ = 54671540088. Its totient is φ = 54671540086.
The previous prime is 54671540081. The next prime is 54671540171. The reversal of 54671540087 is 78004517645.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54671540087 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54671540081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27335770043 + 27335770044.
It is an arithmetic number, because the mean of its divisors is an integer number (27335770044).
Almost surely, 254671540087 is an apocalyptic number.
54671540087 is a deficient number, since it is larger than the sum of its proper divisors (1).
54671540087 is an equidigital number, since it uses as much as digits as its factorization.
54671540087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 940800, while the sum is 47.
The spelling of 54671540087 in words is "fifty-four billion, six hundred seventy-one million, five hundred forty thousand, eighty-seven".
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