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10663503431 = 721131925863
BaseRepresentation
bin10011110111001100…
…00010011001000111
31000112011021002201112
421323212002121013
5133314324102211
64522043515235
7525152166200
oct117346023107
930464232645
1010663503431
1145822a6a59
122097228b1b
13100c2bb859
1473231a5a7
1542627188b
hex27b982647

10663503431 has 12 divisors (see below), whose sum is σ = 12514264272. Its totient is φ = 9059254848.

The previous prime is 10663503427. The next prime is 10663503443. The reversal of 10663503431 is 13430536601.

10663503431 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 10663503431 - 22 = 10663503427 is a prime.

It is a super-2 number, since 2×106635034312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663503401) 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 11 ways as a sum of consecutive naturals, for example, 957395 + ... + 968468.

It is an arithmetic number, because the mean of its divisors is an integer number (1042855356).

Almost surely, 210663503431 is an apocalyptic number.

10663503431 is a deficient number, since it is larger than the sum of its proper divisors (1850760841).

10663503431 is a wasteful number, since it uses less digits than its factorization.

10663503431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925990 (or 1925983 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 10663503431 in words is "ten billion, six hundred sixty-three million, five hundred three thousand, four hundred thirty-one".

Divisors: 1 7 49 113 791 5537 1925863 13481041 94367287 217622519 1523357633 10663503431