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12630541749 = 37601454369
BaseRepresentation
bin10111100001101011…
…01100010110110101
31012121020121000000120
423300311230112311
5201331404313444
65445152202153
7624665555610
oct136065542665
935536530016
1012630541749
1153a167aa61
122545b39359
131263994b57
1487b675177
154ddcc2b19
hex2f0d6c5b5

12630541749 has 8 divisors (see below), whose sum is σ = 19246539840. Its totient is φ = 7217452416.

The previous prime is 12630541739. The next prime is 12630541753. The reversal of 12630541749 is 94714503621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12630541749 - 24 = 12630541733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12630541749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630541739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300727164 + ... + 300727205.

It is an arithmetic number, because the mean of its divisors is an integer number (2405817480).

Almost surely, 212630541749 is an apocalyptic number.

It is an amenable number.

12630541749 is a deficient number, since it is larger than the sum of its proper divisors (6615998091).

12630541749 is an equidigital number, since it uses as much as digits as its factorization.

12630541749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601454379.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12630541749 in words is "twelve billion, six hundred thirty million, five hundred forty-one thousand, seven hundred forty-nine".

Divisors: 1 3 7 21 601454369 1804363107 4210180583 12630541749