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10243303381 is a prime number
BaseRepresentation
bin10011000101000110…
…00110011111010101
3222102212120201121201
421202203012133111
5131434241202011
64412233312501
7511560433153
oct114243063725
928385521551
1010243303381
114387094493
121b9a565731
13c73226a7c
146d25b83d3
153ee41ccc1
hex2628c67d5

10243303381 has 2 divisors, whose sum is σ = 10243303382. Its totient is φ = 10243303380.

The previous prime is 10243303361. The next prime is 10243303487. The reversal of 10243303381 is 18330334201.

10243303381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8163122500 + 2080180881 = 90350^2 + 45609^2 .

It is a cyclic number.

It is not a de Polignac number, because 10243303381 - 217 = 10243172309 is a prime.

It is a super-2 number, since 2×102433033812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243303331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121651690 + 5121651691.

It is an arithmetic number, because the mean of its divisors is an integer number (5121651691).

Almost surely, 210243303381 is an apocalyptic number.

It is an amenable number.

10243303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243303381 is an equidigital number, since it uses as much as digits as its factorization.

10243303381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 10243303381 its reverse (18330334201), we get a palindrome (28573637582).

The spelling of 10243303381 in words is "ten billion, two hundred forty-three million, three hundred three thousand, three hundred eighty-one".