Base | Representation |
---|---|
bin | 110010111000001111… |
… | …001001110111111001 |
3 | 12020000022002102001022 |
4 | 302320033021313321 |
5 | 1343340412303042 |
6 | 41032535032225 |
7 | 3642540223004 |
oct | 627017116771 |
9 | 166008072038 |
10 | 54630587897 |
11 | 211945a72a6 |
12 | a70780b675 |
13 | 51c8209772 |
14 | 290371053b |
15 | 164b17acd2 |
hex | cb83c9df9 |
54630587897 has 2 divisors, whose sum is σ = 54630587898. Its totient is φ = 54630587896.
The previous prime is 54630587863. The next prime is 54630587911. The reversal of 54630587897 is 79878503645.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47017850896 + 7612737001 = 216836^2 + 87251^2 .
It is a cyclic number.
It is not a de Polignac number, because 54630587897 - 230 = 53556846073 is a prime.
It is a super-2 number, since 2×546305878972 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (54630580897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315293948 + 27315293949.
It is an arithmetic number, because the mean of its divisors is an integer number (27315293949).
Almost surely, 254630587897 is an apocalyptic number.
It is an amenable number.
54630587897 is a deficient number, since it is larger than the sum of its proper divisors (1).
54630587897 is an equidigital number, since it uses as much as digits as its factorization.
54630587897 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50803200, while the sum is 62.
The spelling of 54630587897 in words is "fifty-four billion, six hundred thirty million, five hundred eighty-seven thousand, eight hundred ninety-seven".
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