Base | Representation |
---|---|
bin | 110001011111101001… |
… | …110100111101010011 |
3 | 12002011201120122100101 |
4 | 301133221310331103 |
5 | 1332314432023031 |
6 | 40225245033231 |
7 | 3560653004461 |
oct | 613751647523 |
9 | 162151518311 |
10 | 53144407891 |
11 | 205a16a6263 |
12 | a371b55817 |
13 | 501c345a03 |
14 | 28021a7831 |
15 | 15b0961361 |
hex | c5fa74f53 |
53144407891 has 2 divisors, whose sum is σ = 53144407892. Its totient is φ = 53144407890.
The previous prime is 53144407879. The next prime is 53144407903. The reversal of 53144407891 is 19870444135.
It is a balanced prime because it is at equal distance from previous prime (53144407879) and next prime (53144407903).
It is a cyclic number.
It is not a de Polignac number, because 53144407891 - 25 = 53144407859 is a prime.
It is not a weakly prime, because it can be changed into another prime (53144407801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572203945 + 26572203946.
It is an arithmetic number, because the mean of its divisors is an integer number (26572203946).
Almost surely, 253144407891 is an apocalyptic number.
53144407891 is a deficient number, since it is larger than the sum of its proper divisors (1).
53144407891 is an equidigital number, since it uses as much as digits as its factorization.
53144407891 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 53144407891 in words is "fifty-three billion, one hundred forty-four million, four hundred seven thousand, eight hundred ninety-one".
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