Search a number
-
+
1026105313 is a prime number
BaseRepresentation
bin111101001010010…
…001111111100001
32122111210112212111
4331022101333201
54100140332223
6245452555321
734266515452
oct7512217741
92574715774
101026105313
11487234122
12247782b41
1313477a50c
149a3c5129
156013b30d
hex3d291fe1

1026105313 has 2 divisors, whose sum is σ = 1026105314. Its totient is φ = 1026105312.

The previous prime is 1026105307. The next prime is 1026105323. The reversal of 1026105313 is 3135016201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630612544 + 395492769 = 25112^2 + 19887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1026105313 is a prime.

It is a super-2 number, since 2×10261053132 = 2105784226733655938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1026105323) 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, 513052656 + 513052657.

It is an arithmetic number, because the mean of its divisors is an integer number (513052657).

Almost surely, 21026105313 is an apocalyptic number.

It is an amenable number.

1026105313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026105313 is an equidigital number, since it uses as much as digits as its factorization.

1026105313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1026105313 is about 32032.8786249378. The cubic root of 1026105313 is about 1008.6271296033.

The spelling of 1026105313 in words is "one billion, twenty-six million, one hundred five thousand, three hundred thirteen".