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12642110633 = 97859129187
BaseRepresentation
bin10111100011000011…
…10100110010101001
31012122001100202112202
423301201310302221
5201342340020013
65450244145545
7625166111255
oct136141646251
935561322482
1012642110633
1153a8161919
1225499982b5
1312661b5849
1487d007265
154ded0a858
hex2f1874ca9

12642110633 has 4 divisors (see below), whose sum is σ = 12642337680. Its totient is φ = 12641883588.

The previous prime is 12642110629. The next prime is 12642110653. The reversal of 12642110633 is 33601124621.

12642110633 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12642110633 - 22 = 12642110629 is a prime.

It is a super-2 number, since 2×126421106332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12642110596 and 12642110605.

It is not an unprimeable number, because it can be changed into a prime (12642110623) 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, 33266 + ... + 162452.

It is an arithmetic number, because the mean of its divisors is an integer number (3160584420).

Almost surely, 212642110633 is an apocalyptic number.

It is an amenable number.

12642110633 is a deficient number, since it is larger than the sum of its proper divisors (227047).

12642110633 is an equidigital number, since it uses as much as digits as its factorization.

12642110633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227046.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12642110633 in words is "twelve billion, six hundred forty-two million, one hundred ten thousand, six hundred thirty-three".

Divisors: 1 97859 129187 12642110633