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10663253267 = 20295255423
BaseRepresentation
bin10011110111001010…
…00101010100010011
31000112010210101120012
421323211011110103
5133314243101032
64522034305135
7525150104642
oct117345052423
930463711505
1010663253267
114582146007
1220971281ab
13100c231a24
14732293359
154262226b2
hex27b945513

10663253267 has 4 divisors (see below), whose sum is σ = 10668510720. Its totient is φ = 10657995816.

The previous prime is 10663253257. The next prime is 10663253287. The reversal of 10663253267 is 76235236601.

10663253267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76235236601 = 131581948371.

It is a cyclic number.

It is not a de Polignac number, because 10663253267 - 26 = 10663253203 is a prime.

It is a super-2 number, since 2×106632532672 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10663253257) 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 3 ways as a sum of consecutive naturals, for example, 2625683 + ... + 2629740.

It is an arithmetic number, because the mean of its divisors is an integer number (2667127680).

Almost surely, 210663253267 is an apocalyptic number.

10663253267 is a deficient number, since it is larger than the sum of its proper divisors (5257453).

10663253267 is an equidigital number, since it uses as much as digits as its factorization.

10663253267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257452.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 10663253267 its reverse (76235236601), we get a palindrome (86898489868).

The spelling of 10663253267 in words is "ten billion, six hundred sixty-three million, two hundred fifty-three thousand, two hundred sixty-seven".

Divisors: 1 2029 5255423 10663253267