Base | Representation |
---|---|
bin | 1001011011010000… |
… | …1110001000000101 |
3 | 20112100011010022111 |
4 | 2112310032020011 |
5 | 20140222143444 |
6 | 1055024301021 |
7 | 116462645365 |
oct | 22664161005 |
9 | 6470133274 |
10 | 2530271749 |
11 | 10892aa685 |
12 | 5a7471771 |
13 | 31429b025 |
14 | 1a00909a5 |
15 | ec20a234 |
hex | 96d0e205 |
2530271749 has 2 divisors, whose sum is σ = 2530271750. Its totient is φ = 2530271748.
The previous prime is 2530271669. The next prime is 2530271759. The reversal of 2530271749 is 9471720352.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1657955524 + 872316225 = 40718^2 + 29535^2 .
It is a cyclic number.
It is not a de Polignac number, because 2530271749 - 27 = 2530271621 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2530271759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265135874 + 1265135875.
It is an arithmetic number, because the mean of its divisors is an integer number (1265135875).
Almost surely, 22530271749 is an apocalyptic number.
It is an amenable number.
2530271749 is a deficient number, since it is larger than the sum of its proper divisors (1).
2530271749 is an equidigital number, since it uses as much as digits as its factorization.
2530271749 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 105840, while the sum is 40.
The square root of 2530271749 is about 50301.8066176554. The cubic root of 2530271749 is about 1362.6648565666.
The spelling of 2530271749 in words is "two billion, five hundred thirty million, two hundred seventy-one thousand, seven hundred forty-nine".
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