Base | Representation |
---|---|
bin | 110101100010011000… |
… | …001010001111101101 |
3 | 12111101020022101211001 |
4 | 311202120022033231 |
5 | 1420212134403222 |
6 | 42224104400301 |
7 | 4103351036056 |
oct | 654230121755 |
9 | 174336271731 |
10 | 57485075437 |
11 | 22419910009 |
12 | b183776091 |
13 | 556170384a |
14 | 2ad487972d |
15 | 1766a79e27 |
hex | d6260a3ed |
57485075437 has 2 divisors, whose sum is σ = 57485075438. Its totient is φ = 57485075436.
The previous prime is 57485075393. The next prime is 57485075441. The reversal of 57485075437 is 73457058475.
57485075437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38176861321 + 19308214116 = 195389^2 + 138954^2 .
It is a cyclic number.
It is not a de Polignac number, because 57485075437 - 27 = 57485075309 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57485075477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742537718 + 28742537719.
It is an arithmetic number, because the mean of its divisors is an integer number (28742537719).
Almost surely, 257485075437 is an apocalyptic number.
It is an amenable number.
57485075437 is a deficient number, since it is larger than the sum of its proper divisors (1).
57485075437 is an equidigital number, since it uses as much as digits as its factorization.
57485075437 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16464000, while the sum is 55.
The spelling of 57485075437 in words is "fifty-seven billion, four hundred eighty-five million, seventy-five thousand, four hundred thirty-seven".
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