Base | Representation |
---|---|
bin | 1001110010110001… |
… | …01110010111101101 |
3 | 111120102101101002101 |
4 | 10321120232113231 |
5 | 41231440444442 |
6 | 2225415455101 |
7 | 244202065123 |
oct | 47130562755 |
9 | 14512341071 |
10 | 5257749997 |
11 | 2258954435 |
12 | 1028987491 |
13 | 65a385996 |
14 | 37c3d7913 |
15 | 20b8bbcb7 |
hex | 13962e5ed |
5257749997 has 2 divisors, whose sum is σ = 5257749998. Its totient is φ = 5257749996.
The previous prime is 5257749989. The next prime is 5257750049. The reversal of 5257749997 is 7999477525.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4184925481 + 1072824516 = 64691^2 + 32754^2 .
It is a cyclic number.
It is not a de Polignac number, because 5257749997 - 23 = 5257749989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5257749907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628874998 + 2628874999.
It is an arithmetic number, because the mean of its divisors is an integer number (2628874999).
Almost surely, 25257749997 is an apocalyptic number.
It is an amenable number.
5257749997 is a deficient number, since it is larger than the sum of its proper divisors (1).
5257749997 is an equidigital number, since it uses as much as digits as its factorization.
5257749997 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 50009400, while the sum is 64.
The square root of 5257749997 is about 72510.3440689672. The cubic root of 5257749997 is about 1738.8681145429.
The spelling of 5257749997 in words is "five billion, two hundred fifty-seven million, seven hundred forty-nine thousand, nine hundred ninety-seven".
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