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10068402491 = 711344928349
BaseRepresentation
bin10010110000001111…
…11010000100111011
3221222200110211200222
421120013322010323
5131110002334431
64343024450255
7504335003060
oct113007720473
927880424628
1010068402491
1142a73948a4
121b4ba7998b
13c45c19b14
146b728ac67
153dddc057b
hex2581fa13b

10068402491 has 16 divisors (see below), whose sum is σ = 11634840000. Its totient is φ = 8534335488.

The previous prime is 10068402481. The next prime is 10068402503. The reversal of 10068402491 is 19420486001.

It is a happy number.

10068402491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10068402491 - 26 = 10068402427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10068402401) 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 in 15 ways as a sum of consecutive naturals, for example, 340985 + ... + 369333.

It is an arithmetic number, because the mean of its divisors is an integer number (727177500).

Almost surely, 210068402491 is an apocalyptic number.

10068402491 is a deficient number, since it is larger than the sum of its proper divisors (1566437509).

10068402491 is a wasteful number, since it uses less digits than its factorization.

10068402491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28918.

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 10068402491 its reverse (19420486001), we get a palindrome (29488888492).

The spelling of 10068402491 in words is "ten billion, sixty-eight million, four hundred two thousand, four hundred ninety-one".

Divisors: 1 7 113 449 791 3143 28349 50737 198443 355159 3203437 12728701 22424059 89100907 1438343213 10068402491