Search a number
-
+
10287038449 is a prime number
BaseRepresentation
bin10011001010010011…
…11011111111110001
3222112220212200212001
421211021323333301
5132031440212244
64420434534001
7512631245512
oct114511737761
928486780761
1010287038449
1143a9846276
121bb1137301
13c7c2ca6cc
146d8320a09
154031ab5d4
hex26527bff1

10287038449 has 2 divisors, whose sum is σ = 10287038450. Its totient is φ = 10287038448.

The previous prime is 10287038417. The next prime is 10287038537. The reversal of 10287038449 is 94483078201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8531847424 + 1755191025 = 92368^2 + 41895^2 .

It is a cyclic number.

It is not a de Polignac number, because 10287038449 - 25 = 10287038417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10287038399 and 10287038408.

It is not a weakly prime, because it can be changed into another prime (10287038549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5143519224 + 5143519225.

It is an arithmetic number, because the mean of its divisors is an integer number (5143519225).

Almost surely, 210287038449 is an apocalyptic number.

It is an amenable number.

10287038449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10287038449 is an equidigital number, since it uses as much as digits as its factorization.

10287038449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 10287038449 in words is "ten billion, two hundred eighty-seven million, thirty-eight thousand, four hundred forty-nine".