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10505004749 is a prime number
BaseRepresentation
bin10011100100010010…
…11010011011001101
31000010010000112101222
421302021122123031
5133003240122444
64454222413125
7521216032001
oct116211323315
930103015358
1010505004749
11450088a608
1220521311a5
13cb5505555
1471925c701
154173b3eee
hex27225a6cd

10505004749 has 2 divisors, whose sum is σ = 10505004750. Its totient is φ = 10505004748.

The previous prime is 10505004743. The next prime is 10505004781. The reversal of 10505004749 is 94740050501.

10505004749 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., 10258043524 + 246961225 = 101282^2 + 15715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10505004749 - 28 = 10505004493 is a prime.

It is a super-2 number, since 2×105050047492 (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 (10505004743) 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, 5252502374 + 5252502375.

It is an arithmetic number, because the mean of its divisors is an integer number (5252502375).

Almost surely, 210505004749 is an apocalyptic number.

It is an amenable number.

10505004749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505004749 is an equidigital number, since it uses as much as digits as its factorization.

10505004749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 10505004749 in words is "ten billion, five hundred five million, four thousand, seven hundred forty-nine".