Base | Representation |
---|---|
bin | 110010111110100111… |
… | …100010011111101001 |
3 | 12020021202112101201112 |
4 | 302332213202133221 |
5 | 1344100314042442 |
6 | 41051321400105 |
7 | 3645310202315 |
oct | 627647423751 |
9 | 166252471645 |
10 | 54737643497 |
11 | 21239a777a9 |
12 | a737639035 |
13 | 5214450884 |
14 | 2913a1ab45 |
15 | 1655776082 |
hex | cbe9e27e9 |
54737643497 has 2 divisors, whose sum is σ = 54737643498. Its totient is φ = 54737643496.
The previous prime is 54737643461. The next prime is 54737643503. The reversal of 54737643497 is 79434673745.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49075983961 + 5661659536 = 221531^2 + 75244^2 .
It is a cyclic number.
It is not a de Polignac number, because 54737643497 - 28 = 54737643241 is a prime.
It is not a weakly prime, because it can be changed into another prime (54737643097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27368821748 + 27368821749.
It is an arithmetic number, because the mean of its divisors is an integer number (27368821749).
Almost surely, 254737643497 is an apocalyptic number.
It is an amenable number.
54737643497 is a deficient number, since it is larger than the sum of its proper divisors (1).
54737643497 is an equidigital number, since it uses as much as digits as its factorization.
54737643497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 53343360, while the sum is 59.
The spelling of 54737643497 in words is "fifty-four billion, seven hundred thirty-seven million, six hundred forty-three thousand, four hundred ninety-seven".
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